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MK149 - Vivianite with Ludlamite $ 750 (=~ CAN$ 1029) Blackbird Mine, Cobalt, Lemhi Co., Idaho, USA thumbnail - 2.6 x 2.5 x 1.8 cm Purple Vivianite with green Ludlamite from the Blackbird Mine. This mine is famous for it's purple Vivianite and some of the world's best Ludlamite, but rarely do you see both species together on one specimen. A rare and colorful thumbnail from the Chris Stefano collection.
MK155 - Sphalerite on Fluorite Denton Mine, Hardin Co., Illinois, USA small cabinet - 6.2 x 5 x 4.5 cm Purple and yellow Fluorite crystal with attached red Sphalerite crystals from the famous Fluorite region in Hardin Co., Illinois. The Fluorite is rectangular and complete all round with cubic purple Fluorite over a yellow core. Translucent with color zoning.
MK160 - Topaz $ 350 (=~ CAN$ 480) Karengerenge village, Solwezi District, North-Western Province, Zambia miniature - 3.5 x 1.5 x 1.3 cm Glassy, gemmy single crystal of 'Imperial" Topaz from Zambia. Complete all around and undamaged.
MK163 - Topaz $ 150 (=~ CAN$ 206) Karengerenge village, Solwezi District, North-Western Province, Zambia thumbnail - 2.8 x 1.2 x 1 cm Glassy, gemmy single crystal of 'Imperial" Topaz from Zambia. Complete all around and undamaged except for one tiny edge nick.
MK167 - Silver $ 450 (=~ CAN$ 618) Zacatecas, Mexico small cabinet - 8 x 6 x 5.5 cm Calcite and Quartz crystal lined vug with multiple areas of Silver. The Silver occurs as thick, striated ropey wires, thin curling wires, and hackly masses.
MK173 - Sapphire $ 2000 (=~ CAN$ 2745) Mahenge, Morogoro, Tanzania small cabinet - 6 x 4 x 3.5 cm Pair of large pink Sapphire crystals from Tanzania. Two hexagonal prisms that have grown side by side, the largest 6cm and doubly-terminated. Displays well from the front but backside is more rough (as shown). Glows bright red under UV light. Impressive large Sapphires!
MK176 - Austinite $ 1250 (=~ CAN$ 1715) Ojuela Mine, Mapimi, Durango, Mexico cabinet - 9.5 x 6.5 x 5 cm Thick botryoidal masses of translucent yellow Austinite over a Limonite matrix. Usually found as thin crusts with crystalline surfaces or small 'gumdrop' formations, this specimen is both unusual and exceptional, easily the best I've ever owned.
MK179 - Amethyst $ 350 (=~ CAN$ 480) Las Vigas, Vera Cruz, Mexico cabinet - 10 x 9 x 2.5 cm Three large, doubly-terminated Amethyst crystals. The crystals are glassy and gemmy with the largest crystal crossing across the top and 9.2cm wide. All the large crystals are complete all around and undamaged. There is a tiny crystal growing off the largest crystal that has an indentation from another crystal, but even this one is perfect with a thin, small undamaged termination.
MK180 - Olivenite $ 250 (=~ CAN$ 343) 992 Level, Milpillas Mine, Cuitaca, Sonora, Mexico thumbnail - 1.4 x 0.7 x 0.3 cm Cluster of well terminated Olivenite crystals from the Milpillas Mine. Like many other minerals found at this mine, these rank among the world's best for species. Slender flattened prisms with glossy luster. Complete all around and undamaged.
MK183 - Cerussite (R) Ojuela Mine, Mapimi, Durango, Mexico miniature - 4 x 1.8 x 1.3 cm Thick, transparent colorless Cerussite crystals, shocking in size and quality for the locality. This is from a recent find and look more like something you would see from Tsumeb than any I've ever seen from the Ojuela Mine. The specimen is composed of a large single crystal with a smaller V-twin attached. Unfortunately while photographing, the small V-twin detached from the main crystal and I had to therefore reattach it (the smaller crystal fits perfectly into an angular groove on the larger crystal like a puzzle piece).
MK186 - Fluorite on Quartz $ 350 (=~ CAN$ 480) Lupita Mine, Rodeo, Durango, Mexico cabinet - 10 x 6 x 4 cm Purple Fluorite crystals on a white Quartz matrix. The Fluorite are transparent to translucent octahedrons modified with numerous stepped cube faces.
MK187 - Brochantite $ 600 (=~ CAN$ 823) Milpillas Mine, Cuitaca, Sonora, Mexico thumbnail - 1.9 x 1 x 0.8 cm Stout single Brochantite crystal from the Milpillas Mine. The crystal is complete all around with just some minor edge chipping and pieces of attached matrix. A superb thumbnail for the species that was formerly in the personal collection of a Mexican mineral dealer.
MK188 - Boleite $ 300 (=~ CAN$ 412) Manto 3, Curuglu Mine, Boleo District, Santa Rosalia, Baja, Mexico thumbnail - 0.7 x 0.7 x 0.7 cm Single cube of deep blue Boleite. Boleite is a rare lead-silver-copper halide mineral that is at it's best from this locality. This a good sized complete cube, with an indentation from another former cube on one face and two tiny attached crystals.
MK189 - Boleite $ 350 (=~ CAN$ 480) Manto 3, Curuglu Mine, Boleo District, Santa Rosalia, Baja, Mexico thumbnail - 0.7 x 0.7 x 0.7 cm Intergrown cubes of deep blue Boleite. Boleite is a rare lead-silver-copper halide mineral that is at it's best from this locality. This a good sized complete cube 7mm on edge, with an second smaller intergrown cube.
MK190 - Boleite $ 200 (=~ CAN$ 274) Manto 3, Curuglu Mine, Boleo District, Santa Rosalia, Baja, Mexico thumbnail - 0.6 x 0.5 x 0.5 cm Single cube of deep blue Boleite. Boleite is a rare lead-silver-copper halide mineral that is at it's best from this locality. This a good sized complete cube, with sharp edges and good luster and areas of attached white Gypsum.
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