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CAA28 Legrandite
Mina Ojuela, Mapimi, Durango, Mexico
3.3x 2.5x 0.9 cm
$125

A rich sample of this highly sough after mineral, from Mina Ojuela.  People tend to ask stupid prices for this species, and I wouldn't be too surprised to see something like this for 2 or 3 times the price.  Personally, I feel that this piece is very rich, but the arrangement of the crystals isn't quite optimal... either way, it's really good for the price. 

Priced at $200 in my show stock.







CAA29 Calcite
Maharashtra State, India
11.5x 7.9x 2.2 cm
$68

An unusal elongated calcite crystal from a find made around 4-5 years ago in India.  It almost looks like quartz with rounded edges.







CAA30 Copper ps. Aragonite (MATRIX!)
Corocoro District, Pacajes Province, La Paz Department, Bolivia.
8.5x 4.5x 1.2 cm
$78

A rare example of a copper after aragonite pseudoorph on matrix.  They usually occur either as matrixless hexagonal crystals in a clay that gets washed off, or as spherical aggregates of those same hexagonal crystals. 







CAA31 Copper with Datolite Nodule
Keweenaw Peninsula, Michigan, United States
9.2x 8.2x 1.1
$48

An unpolished slab of datolite with copper, from Michigan's Upper Peninsula.  You can se the flashes of light reflecting off the copper when the piece is held at the correct angle.







CAA32 Celestite
Sylvania, ohio, United States
4.4x 1.85x 1.4 cm
$28

A nice, double terminated celestite crystal on a bit of matrix, from Ohio.







CAA33 Garnet
Markstay, Ontario, Canada
7.2x 5.7x 4.3 cm
$48

A nice garnet specimen in schist from an unusual location. This looks a lot redder in the pictures than in person, because of the bright lights used during photography.







CAA34 Copper (Carved Chisel Chip)
Keweenaw Peninsula, Michigan, United States
6.1x 2.3x 0.9 cm
$56

A mining relic rather than a natural formation, chips like these were the product of miners trying to carve large copper chunks down to more manageable sizes.  This was probably chiseled down 100+ years ago.







CAA35 Millerite
Hall's Gap. Lincoln Co., Kentucky, United States
2.2x 1.7x 0.7 cm
$18

A small vug ruchly filled with hair-like millerite crystals.  A cute little thumbnail.







CAA36 Garnet
Kolsva, Sweden
3.7x 3.4x 2.8 cm
$38

A nice garnet sample from a location I have never heard of before. It comes from the collection of a woman who was very actively collecting-- corresponding and trading with people all over the world by mail-- from the 70's to early 90's.









CAA37 Witherite
Minerva #1 Mine, Cave-in-Rock Dist., Hardin Co., Illinois, USA
3.2x 2.6x 2.6 cm
$28

A nice sample of witherite from one of the mines in the now defunct southern Illinois fluorspar district.  A nice little reference piece for the price.







CAA38 Scheelite
Sonora, Mexico
5.1x 3.3x 2.9 cm
$58

A rare old example of scheelite from Mexico, with a label dating it to at least 1970.  The crystal is on matrix, and pretty decent for being from a more obscure location-- when it comes to scheelite, it seems that the weirder the locality, the worse the crystal...

A really good reference piece.







CAA39 Tourmaline
Haapaluoma pegmatite, Seinajoki, Western and Inner Finland Region, Finland
9.4x 6.2x 5.2 cm
$74

A reference sample of tourmaline from a very unusual location-- in Finland, of all places.  When I think of Finnish minerals, the only thing that comes to mind are the uvarovites and diopsides from Outokumpu-- I'm sure there's a lot more (this piece being just one example of the "other") but I never really see it for sale...







CAA40 Orpiment
Shimen Mine, Changde Pref., Hunan Prov., China
7.0x 5.4x 4.1 cm
$48

A nice sample of elongated orpiment crystals from the Shimen (or Jiepiayu) Mine, better known for its realgar crystals.







CAA41 Pyrite
Huanzala Mine, Huallanca District, Dos de Mayo Prov., Peru
3.1x 2.8x 2.8 cm
$42

A very unusual compound crystal of highly lustrous pyrite from Huanzala.  It's basically a cube (sort of) made up of many other cubes. There really is no end to the number of wacky configurations of pyrite that this mine produces... then again, seeing how much it produces, there are bound to be a few oddities.







CAA42 Cavansite
Wagholi, near Poona, Maharashtra State, India
4.5x 3.0x 2.8 cm
$42

A nice sample of bright blue cavansite in a vug, from India.

As an interesting side note, the quarry where cavansite is found is located in a huge complex containing several very large quarries.  Cavansite and pentagonite have only been found in any appreciable quantity in 2 or 3 of those quarries, even though all are located within approximately 2 square kilometers of land. 

With the rapid expansion of India's cities, Wagholi (a suburb of the larger city of Poona) has grown and started to engulf the quarries-- the quarries known for producing the best cavansites have been purhcased by developers or are at the water table.  In other words, the cavansite boom that lasted for much of the 2000's appears to be coming to an end.  Prices will probably not return to the level of the 90's (when a single 1.0 cm rosette that today costs $2.00 would sell for $500) but these will not remain as common.







CAA43 Selenite
Red River Floodway, Winnipeg, Manitoba, Canada
6.6x 5.3x 5.0 cm
$46

A nice cluster of selenite crystals from the Red River Floodway in Canada.







CAA44 Copper
Keweenaw Peninsula, Michigan, United States
2.7x 1.5x 1.1 cm
$32

A nice thumbnail consisting of an isolated copper crystal, showing decent faces from the Michigan copper country.







CAA45 Wavellite on Quartz
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia.
7.3x 6.1x 4.8 cm
$72

A nice reference sample of yellow wavellite on quartz, from Bolivia.  When it comes to wavellite, you will pretty much only see specimens from 1 of two general areas-- Arkansas, or Llallagua.  The Llallagua pieces are somewhat harder to find. 







CAA46 Silver
Porco Mine, Agua de Castilla, Quijarro Province, Potosi Department, Bolivia
5.8x 5.1x 4.0 cm
$68

A nice sample of silver wires from the Porco Mine, in Bolivia.


The mines at Porco have operated since at least the late 1500's, and were among the the primary sources of Spain's silver for hundreds of years.  The site was also known to the Incas, who took control of the area sometime between 1493 and 1527.

 

For all the ore that the Porco mines have produced over the centuries, remarkably few specimens exist from the mine.  In fact, it seems that it is easier to obtain antique Spanish coinage minted from Bolivian silver than it is to obtain raw specimens, even though the mine operates to this day. 








CAA47 Copper
Cedar River, Near Bassett, Iowa, United States
6.4x 2.6x 0.75 cm
$46

Maybe I'm easily intrigued, but I was somewhat fascinated by this rather mundane (read: crappy) copper.  It's actually from the Michigan copper country, but it was collected approximately 450 miles away, from a river in northeast of Iowa.  When the glaciers moved through the area, they transported massive quantities of rocks-- and some of those rocks were actually chunks of copper. 

I've seen hundreds of "float" coppers from the general vicinity of the Upper Peninsula, but I had never seen one from so far away--apparently these things turn up in farm fields every once in a while, as far as Ohio and Southern Illinois.








CAA48 Calcite
Nasik Area, Maharashtra State, India
4.8x 3.8x 2.6 cm
$38

A nice sample of clear calcite on a wonderfully contrasting matrix, clearly showing the doubling that you would see in on of those cleaved rhombs, though which you usually can't see in natural specimens.







CAA49 Quartz (
Dal'Negorsk, Primorskiy Kray, Russia
5.7x 5.6x 3.0 cm
$68

An interesting sample of quartz from Dal'Negorsk, with an unusual iridescence.  This is the natural version of "aqua aura" or other thin film coated minerals-- in this case, I suspect there are subsequent generations of transparent quartz spaced just far enough for light reflecting from one layer to cause interference with light reflecting from other layers.  The end result are the flashes of color you see when moving the specimen around.  It's kind of hard to capture the color in the pictures, but they give some idea of what to expect.    







CAA50 Gold
Homestake Mine,Deadwood, South Dakota, United States
4.0x 2.2x 1.5 cm
$48

A reference sample of gold from a very unusual American location.  Apparently the state has (or had?) a number of gold mines, but specimens are rarely seen.  The mine this piece comes from was discovered in 1875, and operated intermittently by various owners until 2002.







CAA51 Wavellite
Montgomery Co., Arkansas, United States
5.1x 4.2x 2.8 cm
$39

A cluster of green hemispherical wavellite aggregates on matrix, from Arkansas.  Excellent reference piece.







CAA52 Liddicoatite Tourmaline
Mahaiza Area, Vakinankaratra Region, Antananarivo Province, Madagascar
2.5x 2.4x 1.3 cm
$52

A nice thumbnial sized sample of pruple-red tourmaline from Madagascar.  I see a fair amount of the very distinctive material from this location when I'm in Madagascar, but most of the crystals are frozen in matrix or not terminated.







CAA53 Staurolite
Keivy, Kola Peninsula, Russia
6.0x 3.6x 2.1 cm
$38

A nice sample of staurolite from northeastern Russia.







CAA54 Wavellite
Montgomery Co., Arkansas, United States
8.5x 5.2x 5.2 cm
$62

A nice wavellite sample from Arkansas, with the radial structure of the aggregates clearly visible.







CAA55 Arsenopyrite
Barry, Ontario, Canada
11.7x 6.6x 5.1 cm
$86

An old sample of well crystallized arsenopyrite from Canada, with a label dating it to at least 1969.  Most of the ore samples I see from this area are just massive chunks of some mixture of metallic minerals-- this is actually nicely crystallized.  







CAA56 Behierite
Vakinankaratra Region, Antananarivo Prov, Madagascar
3.8x 1.8x 2.8 cm
$42

A very crystal of this tantalum borate on matrix, from Madagascar-- it's small, but this is still a good reference sample.







CAA57 Tourmaline on Cleavlandite
Stak Nala, Skardu, Northern Areas, Pakistan
3.1x 2.6x 3.1 cm
$58

A nice sample of tourmaline on cleavlandite form Stak Nala.  The tourmaline is a partial prism, but it is terminated.  Stak Nala tourmalines are distinctive because of their dark shafts, with lighter caps-- usually green. This one hasn't been treated-- many pieces these days (especially the ones with the pink bands on the termination) have been irradiated.











CAA58 Quartz var. Amethyst
Piedra Parada, Las Vigas, Veracruz, Mexico
4.2x 3.2x 2.7 cm
$46

A cluster of light purple amethyst crystals on matrix, from Mexico.  A very pretty little miniature.







CAA59 Fluorite on Quartz
Huanggang Mine, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China
4.6x 4.3x 2.3 cm
$66

A beautiful formation of fluorite on quartz, from Huanggang.  The overall configuration of the crystals is very aesthetic-- the fluorite is just a bit undersaturated in color.  Still, its a lovely combination piece from the mine.







CAA60 Quart (Beta quartz "Scepter")
Huanggang Mine, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China
6.6x 4.6x 2.2 cm
$58

A nice sample of beta quartz from Haunggang, on a rock matrix.  I have seen hundreds of similar clusters off matrix, or clustered with other quartz crystals, but I can't recall seeing other isolated scepters like this on a rock matrix.  Looking at it, I can see how easily a miner might just yank off the quartz...

 Interesting piece.







CAA61 Calcite incl. Marcasite
Conco Mine, North Aurora, Kane Co., Illinois, United States
14.5x 11x 11.5 cm
$88

A large cabinet sized sample of calcite from the Conco Mine, from the find made around 6 years ago.  The calcite crystals are included with small marcasite crystals-- the front shows more transparent colorless ones (though there is a sizable blemish that is sort of hard to see in the picture) and the back shows more included gray calcites.

This mine is located about 30 miles outside the city of Chicago.







CAA62 Calcite
Linwood Mine, Buffalo, Scott Co., Iowa, United States
5.2x 3.5x 1.6 cm
$46

A beautiful sample of scalenohedral calcite from the Linwood Mine in Iowa.  The back is flat, where it grew against the sedimentary rock it was removed from.







CAA63 Barite
Linwood Mine, Buffalo, Scott Co., Iowa, United States
5.2x 2.4x 1.4 cm
$56

A nice, double terminated barite crystal from Iowa, very sharp and with decent transparency.







CAA64 Calcite incl. Marcasite
Conco Mine, North Aurora, Kane Co., Illinois, United States
7.6x 5.3x 4.3 cm
$48

A nice sample of calcite from the Conco Mine, from the find made around 6 years ago.  The calcite crystals are included with small marcasite crystals.  

This mine is located about 30 miles outside the city of Chicago.







CAA65 Chalcocite with Djurleite
Daye Copper mine, Daye Co., Huangshi Prefecture, Hubei Province, China
2.0x 1.8x 1.0 cm
$64

A beautiful thumbnail of chalcocite with an iridescent coating of djurleite, from China.  Most of these tend to be stalactitic, however you can actually see the chalcocite crystal fairly clearly on this piece, framed by the djurleite.







CAA66 Pyrite
Milpillas Mine, Cuitaca, Sonora, Mexico
1.9x 1.6x 1.4 cm
$28

An interesting pyrite crystal from Milpillas--the number of faces gives it an almost rounded apperance. I haven't seen this habit from anywhere else.







CAA67 Monazite
Ambatofotsikely pegmatite, Fidirana Commune, Betafo Dist., Vakinankaratra Region, Antananarivo Prov., Madagascar
2.7x 0.8x 2.1 cm
$42

A nice reference thumbnail of Monzaite from madagascar-- this one is a nice twinned crystal.







CAA68 Betafite
Vakinankaratra Region, Antananarivo Prov, Madagascar
1.6x 1.4x 0.8 cm
$24

A nice sample of betafite form the type locality in Madagascar.







CAA69 Xenotime
Novo Horizonte, Bahia, Brazil
1.9x 0.7x 0.6 cm
$39

A nice thumbnail sized sample of xenotime from Brazil.







CAA70 Ixiolite- (Sc)
Namivu Pegmatite, Alto Ligonha District, Zambezia Province, Mozambique
1.3x 1.3x 0.6 cm
$42

A thumbnail of scandian ixiolite from Mozambique displaying the typical hemispherical form.







CAA71 Calcite incl. Marcasite
Conco Mine, North Aurora, Kane Co., Illinois, United States
2.8x 1.8x 1.55 cm
$34

A nice thumbnail sized sample of calcite from the Conco Mine, from the find made around 6 years ago.  This one is a stacked cluster of marcasite included crystals. This mine is located about 30 miles outside the city of Chicago.







CAA72 Calcite incl. Marcasite
Conco Mine, North Aurora, Kane Co., Illinois, United States
3.2x 2.6x 2.0 cm
$36

A nice thumbnail sized sample of calcite from the Conco Mine, from the find made around 6 years ago.  This mine is located about 30 miles outside the city of Chicago.







CAA73 Adamite
Mina Ojuela, Mapimi, Durango, Mexico
1.8x 1.6x 0.9 cm
$28

A chunky single crystal of adamite mounted in a thumbnail box.  Nothing spectacular, but they always seem to occur in sprays, as clusters, or as tiny crystals covering a limonite matrix-- this one was decently sized and isolated.







CAA74 Manganocalcite
Huanggang Mine, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China
7.3x 4.3x 2.2 cm
$38

A sample of very light pink manganocalicte crystals, arranged in a spray from Huanggang.







CAA75 Quartz with Epidote
Pampa Blanca, Castrovirreyna District, Huancavelica Department, Peru
7.9x 5.8x 3.4 cm
$37

A smokey quartz point on matrix, dusted with small green epidote crystals, from Peru.  Betweent he smoky quartz and the epidote, it almost has the appearance of more Alpine material.







CFF02 Fluorite
De'An Mine, Jiangxi Prov., China
8.9x 4.5x 3.3 cm
$88

A nice example of dodecahedral fluorite that has grown over what appear to be octahedral crystals, all on a pillar of quartz-coated rock.







CFF03A Spessartine Garnet with Quartz
Wushan Mine, Tongbei, Fujian Prov., China
9.1x 5.3x 2.0 cm
$68

A nice sample of bright orange spessartine garnets sharing a feldspar matrix with a  small smokey quartz crystal, from a find made several years back.









CFF04A Chalcocite
Daye Copper mine, Daye Co., Huangshi Prefecture, Hubei Province, China
3.4x 2.0x 1.7 cm
$72

A nice sample of chalcocite with a djurleite overgrowth that gives it a crazy blueish purple iridescence. A very beautiful little thumbnail/ toenail.







CFF04 Beryl var. Aquamarine, Schorl
Shigar Valley, Baltistan Pakistan
3.75x 2.7 1.75 cm
$84

A nice combination specimen with a blue aquamarine crystal perched on a partial schorl tourmaline prism.







CFF05A Quartz
Mahaiza Commune, Betafo Dist., Vakinankaratra Region, Antananarivo Prov., Madagascar
14.5x 11.4x 7.8 cm
$94

A nice quartz specimen from Madagascar.







CFF06 Spessartine Garnet
Shigar Valley, Baltistan Pakistan
7.0x 3.0x 3.6 cm
$68

A nice sample of deep red spessartine garnets in matrix, from Pakistan.  There is some damage, bu the piece is exactly as shown.







CFF10 Barite with Orpiment
Quiruvilca Dist., Santiago de Chuco Prov., La Libertad Dept., Peru
9.1x 6.8x 3.2 cm
$76

A sample of orpiment with barite, from finds made a few years back at the Quiruvilca Mine.  There is damage to the main barite crystal. 







CFF11 Fluorite on Quartz
Pasto Bueno, Pallasca Prov., Ancash Dept., Peru
6.1x 5.5x 5.0 cm
$72

A very pale green (nearly colorless) and etched fluorite octahedron nestled in a cluster of very sharp, transparent quartz crystals. 







CFF12 Pyrite
Huanzala Mine, Huallanca District, Dos de Mayo Prov., Peru
8.0x 6.2x 3.6 cm
$68

A nice cluster of lustrous cubic pyrite crystals from Peru.







CFF13 Celestite
Sakoany Deposit, Katsepy Commune, Majunga, Madagascar
9.8x 7.3x 3.5 cm
$59

A nice sample of blue celestite from Madagascar.







CFF14 Fluorite
Shangbao Mine, Leiyang Co., Hengyang Pref., Hunan Prov., China
7.3x 5.1x 2.5 cm
$62

A group of very lightly colored fluorite crystals on calcite, from the Shangbao Mine.  The crystals display the stepped cubo-octahedral faces that the mine is known for.







CFF15 Pyrite
Huanzala Mine, Huallanca District, Dos de Mayo Prov., Peru
4.0x 2.6x 2.3 cm
$34

A nice cluster of sharp pyrite octahedrons from the Huanzala Mine in Peru.







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