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MK189 - Boleite $ 350 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 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.
MK191 - Boleite $ 500 Manto 3, Curuglu Mine, Boleo District, Santa Rosalia, Baja, Mexico thumbnail - 0.55 x 0.55 x 0.55 cm Single cube of deep blue Boleite 5.5mm on edge. Boleite is a rare lead-silver-copper halide mineral that is at it's best from this locality. This a an exceptionally fine complete cube, with razor sharp edges, good luster, and no damage except for one very trivial edge indentation/nick, about as fine a quality as these get.
MK193 - Azurite, Malachite $ 600 Salairsky Mine, Kamenushinkoe Copper Deposit, Guryevsky area, Kemerovo Oblast, Russia small cabinet - 8.5 x 3.5 x 0.4 cm Cut and polished slab of banded Azurite over Malachite. Banded Azurite is much less common than Malachite and this is a primo piece with a high polish on both sides. The top surface is crystallized Azurite. Both sides shown in photos.
MK194 - Azurite Milpillas Mine, Cuitaca, Sonora, Mexico miniature - 3.9 x 2.5 x 1.2 cm Large, complete single Azurite crystal from the Milpillas Mine. This is a floater well crystallized all around. There is some minor chipping present, but overall it's in good condition. Nice to find a complete single crystal like this. Both sides shown in photos.
MK196 - Aquamarine with Quartz $ 280 Shigar Valley, Skardu, Pakistan thumbnail - 3.1 x 2 x 1.2 cm Glassy single Aqua crystal 1.2cm wide with attached white Feldspar and two smokey Quartz crystals at the base. The Aqumarine is transparent with glass-like luster and is undamaged.
MK198 - Apatite, Siderite $ 350 Panasquiera Mine, Barroca Grande, Portugal miniature - 3.3 x 2.5 x 1.7 cm Glassy, transparent purple/blue Apatite crystals with attached Siderite crystals. The main crystal is 2.8cm tall.
MK199 - Andorite with Zinkenite $ 450 San Jose Mine, Oururo, Bolivia miniature - 4.2 x 3 x 2.8 cm Cluster of tabular Andorite crystals with an attached crystal spray of Zinkenite. Andorite is lead, silver, antimony sulfosalt with the best crystals coming from Bolivia.
MK203 - Wurtzite $ 350 Merelani Hills, Lelatema Mountains, Arusha Region, Tanzania miniature - 4.3 x 2.3 x 1.5 cm Large, wide translucent red/orange Wurtzite crystal from the Merelani Tanzanite Mines. These were found several years ago and were instantly recognized as the world's best for species. Good sized with nice form and flashes of red.
MK211 - Pyrite $ 280 Merelani Hills, Arusha, Tanzania thumbnail - 2.8 x 2.5 x 2.2 cm Complete and undamaged single Pyrite crystal on a mtrix of Calcite and Graphite from the Merelani Tanzanite mines. The Pyrite has uniform shape and bright, brassy metallic luster.
MK212 - Mimetite on Cuprian Smithsonite $ 1500 Tsumeb, Namibia cabinet - 10 x 6 x 4.5 cm Globular translucent green Cuprian Smithsonite with yellow Mimetite from Tsumeb. The Smithsonite is translucent and forms botryoidal masses and short stalactitic formations with crystallized surfaces. A showy large specimen of one of the most desirable Smithsonite varietals from Tsumeb.
MK217 - Fluorite $ 300 Huanggang Mine, Inner Mongolia, China miniature - 3.3 x 3.2 x 3.2 cm Exceedingly sharp single octahedral Fluorite crystal from Inner Mongolia, China. An undamaged floater of translucent pink Fluorite nearly textbook in form (one of the sixe points is stepped with multiple points). High quality, complete crystal in perfect condition.
MK220 - Fluorite $ 240 Yaogangxian Mine, Hunan, China miniature - 4 x 3.5 x 2.5 cm Transparent blue Fluorite crystal from the Yaogangxian Mine. So water-clear you can see right through it to the Muscovite attached to the bottom (photos don't convey this transparency well). Complete all around, stunning crystal of the quality the Yaogangxian mine is famous for. A small cleave on one corner, otherwise perfect.
MK221 - Topaz on Tourmaline $ 340 Stak Nala, Skardu, Pakistan thumbnail - 2.9 x 2.7 x 1.8 cm Cluster of dark green Tourmaline, a water clear Topaz, and Albite. Interestingly, the Topaz interferred with the growth of the Tourmaline causing it to grow in a hollow shape. The Topaz is 1.7cm, doubly-terminated, and a jewel.
MK222 - Siegenite, Galena on Marcasite $ 300 Buick Mine, Reynolds Co., Missouri, USA thumbnail - 2.4 x 1.9 x 1.8 cm Silvery, octahedral crystals of rare Siegenite and grey crystals of Galena on a bright Marcasite coated matrix. Siegenite is a cobalt nickel sulfide that is one of the rarer and most sought after minerals from Missouri's Viburnum Trend. Sometimes you only get a few crystals of Siegenite on a specimen - this one is loaded with about 50 crystals! Ex. Erich Laskowski collection, aquired by Erich in 1991.
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