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LL730 - Gahnite rough and cut Kagoro, Kaduna State, Nigeria thumbnail - 0.6 x 0.6 x 0.6 cm Rough and cut set of transparent blue Gahnite. Gahnite is the zinc rich end member and one of the rarer species in the Spinel group of minerals. The crystal is a complete octahedron with one tiny chip on one tip, otherwise perfect and translucent to transparent internally. The gemstone is 4.5mm wide. These were first discovered in 2001 and are found mostly of industrial quality. Though they don't get very large, the color is spectacular. The GIA has written a nice article about these crystals published in Gems & Gemology, Fall 2019, Vol. 55, No. 3.
K159 - Brucite Killa Saifullah, Balochistan, Pakistan small cabinet - 8 x 5 x 3 cm Large radial groups of solid Brucite with just a bit of attached matrix. Well crystallized all around and undamaged. Medium yellow color, translucent, thick and sturdy.
LL881 - Dioptase Ray Mine, Pinal Co., Arizona, USA cabinet - 13 x 8.5 x 4 cm Beautiful large specimen of Dioptase on drusy Quartz over Chrysocolla and Malachite. This looks like something out of Africa rather than the USA, but it's old Arizona material with large isolated Dioptase crystals to 7mm in size. A big and colorful Arizona classic that will add pop to a mineral case.
LL24 - Mottramite on Calcite Tsumeb, Namibia cabinet - 9.5 x 5 x 5 cm Large rhombic Calcite crystals comepletely coated by thick, large crystals of dark green Mottramite intergrown with a second generation of lenitcular Calcite crystals. Clean and undamaged, an excellent Mottramite specimen.
ST106 - Azurite Touissit Mine, Morocco small cabinet - 6.5 x 3 x 2 cm Bladed groups of long Azurite crystals. Well crystallized all around and pristine. Some areas show etching.
ST221 - Aurichalcite, Rosasite Southwest Mine, Hendricks Gulch, Bisbee, Cochise County, Arizona, USA small cabinet - 7 x 5 x 2.5 cm Spheres of blue Rosasite atop spikey crystals of green Aurichalcite.
ST192 - Cobaltian Calcite on Quartz Kolwezi Mining District, Lualaba, DR Congo small cabinet - 5.5 x 4.5 x 3.5 cm Unusual finger-like formations of pink Cobaltoan Calcite in a Quartz crystal lined vug. The individual crystal aggregates reach 8mm tall. There are so many neat and unusual minerals found in this part of the world and this certainly is one of them.
ST226 - Lazulite Graves Mtn., Georgia, USA thumbnail - 2 x 1.5 x 1 cm Sharp single crystal with good blue color and attached micro Pyrite.
ST356 - Silver (cubic crystals!) Bouismas Mine, Zagora Prov., Draa-Tafilalet Region, Morocco thumbnail - 2.5 x 2 x 1 cm Cubic Silver crystals on matrix that have been exposed from white Calcite. Cubic Silver crystals are uncommon and these are superbly formed, sharp cubes to about 2mm in size. The crystals are present on a Safflorite matrix around some remaining etched Calcite.
LL660 - Clinoclase on Cornubite Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA small cabinet - 5.5 x 3.5 x 3 cm Deep blue crystals of Clinoclase over green Cornubite from the now defunct Majuba Hill Mine. Both the front and back and 1 side have great crystals.
LL684 - Chalcophyllite Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA miniature - 4 x 2.5 x 1.5 cm Rich coverage of platy blue/green crystals of Chalcophyllite on matrix. Specimens of Chalcophyllite are some of the most sought after from this mine.
ST370 - Kolwezite after Cuprite on Cobaltian Calcite Kolwezi Mining District, Lualaba, DR Congo small cabinet - 7.5 x 6 x 2 cm Angular deep green crystals of Kolwezite pseudomorphs after Cuprite on crystals of reddish pink Cobaltoan Calcite. A beautiful and colorful combination specimen. Sawcut on back.
ST402 - Dioptase on/in Quartz Reneville, Dem. Rep. of Congo thumbnail - 2.7 x 2.7 x 1.5 cm Cluster of clear Quartz crystals with Dioptase. The main Dioptase is 1.3cm long, double-terminated, with both ends extending out opposite sides of the Quartz cluster. Old, rare specimen. Dioptase, when included in Quartz crystals, make rare and valuable specimens.
ST397 - Galena Treece, Kansas, USA small cabinet - 9 x 6 x 5.5 cm Bright metallic Galena cubes to 2.5cm on a silicified limestone matrix with red 'Ruby-Jack' Sphalerite crystals, Dolomite, and Calcite crystals from Treece, Kansas. The Galena are present on one side, but the specimen detached in the pocket and the Sphalerite and Calcite are present on all sides, making this a floater.
ST435 - Herderite Hi Hope Dig, near Anza, Riverside Co., California, USA thumbnail - 2.5 x 2 x 1.4 cm Translucent 1.5cm white Herderite crystal on matrix. Collected by Al Ordway and Jon Page during the late 1990s. The Hi Hope was a short lived dig named after the ranch owned by noted southern California collector Josie Scripps who had recently passed away in 1992. A rare specimen for a southern California collection.
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