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K675 - Descloizite $ 150 SOLD Berg Aukus Mine, Namibia thumbnail - 2 x 1.6 x 0.88 cm ![]() ![]() ![]() ![]() Pair of lustrous, well formed crystals with the classic form. Regarded as the world's best Descloizite, this is a good example in the thumbnail size. High quality specimen that is both undamaged and translucent.
K717 - Tsavorite on Diopside $ 75 Merelani Hills, Arusha, Tanzania thumbnail - 1.2 x 0.8 x 0.7 cm ![]() ![]() ![]() ![]() Elongated groups of Tsavorite crystals intergrown with a glassy, terminated Diopside crystal. There are also small Pyrite crystals associated.
K653 - Ludlamite $ 180 Blackbird Mine, Lemhi Co., Idaho, USA thumbnail - 1.2 x 1 x 0.6 cm ![]() ![]() ![]() ![]() Large single crystal on a tiny bit of matrix. Well terminated, translucent, and undamaged.
K718 - Tsavorite on Graphite $ 275 Merelani Hills, Arusha, Tanzania thumbnail - 1.5 x 1 x 1 cm ![]() ![]() ![]() High quality, glassy 1cm Tsavorite crystal with good color on a Graphite matrix. Undamaged crystal that is transparent. There are some shallow grooves on the surface caused by former Graphite crystals.
K658 - Andradite var. Melanite $ 150 SOLD Capo de Bove, Rome, Italy thumbnail - 1.1 x 1.1 x 1 cm ![]() ![]() ![]() Complete, single black Andradite crystal. There are a couple small natural indentations, otherwise good flat faces all around.
K663 - Axinite $ 40 SOLD Obira, Kyushu, Japan thumbnail - 0.9 x 0.8 x 0.2 cm ![]() ![]() ![]() Gemmy, terminated single crystal from Japan.
K728 - Tsavorite $ 95 SOLD Merelani Hills, Arusha, Tanzania thumbnail - 1 x 0.9 x 0.8 cm ![]() ![]() ![]() Well formed single Tsavorite crystal with good color. Some indentations from other crystals but undamaged.
K665 - Galena (spinel twin) $ 150 SOLD Mina Ojuela, Mapimi, Durango, Mexico thumbnail - 2.8 x 1.7 x 1.5 cm ![]() ![]() ![]() Lustrous spinel-twinned Galena crystal. Galena is not commmon from Mapimi, and spinel-twins less so.
K666 - Newberyite $ 125 SOLD Skipton Caves, Mt. Widderin, Skipton, Victoria, Australia small cabinet - 6.5 x 6 x 3.5 cm ![]() ![]() ![]() Single crystal of this rare phosphate mineral derived from bat guano and only found at this one locality. This is a rare to find specimen, only the second I've seen. The Skipton Caves were a favoured roosting and breeding site for bats, and at one time contained columns of guano rising up to 12 feet high. The guano was harvested for fertilizer and exhausted by 1895, and the bats are reportedly now gone, and collecting or removal of any material from the caves is prohibited. If you want a rare and unusual thumbnail, here you go.
K667 - Cuprian Adamite $ 150 SOLD Laurium, Greece thumbnail - 1.3 x 1 x 1 cm ![]() ![]() ![]() An 8mm hemispherical cluster of blue/green Smithsonite set in matrix.
F441 - Diaspore $ 100 SOLD Aydun, Mugula, Turkey thumbnail - 0.8 x 0.7 x 0.3 cm ![]() ![]() ![]() Transparent, terminated Diaspore crystal from recent finds. Well terminated and complete on both sides. Slight chipping as seen in photos, but rare quality compared to previous finds.
F442 - Diaspore $ 350 SOLD Aydun, Mugula, Turkey thumbnail - 1 x 1 x 0.4 cm ![]() ![]() ![]() ![]() Transparent, terminated Diaspore crystal from recent finds. Well terminated and complete on both sides. Rare quality compared to previous finds.
K654 - Siegenite $ 200 Level 4, Buick Mine, Iron Co., Missouri, USA thumbnail - 1.5 x 1.1 x 1.1 cm ![]() ![]() ![]() ![]() Ten octahedral Siegenite crystals to 4mm on matrix of Marcasite. Siegenite is a rare cobalt nickel sulfide. High quality, aesthetic rare mineral.
K668 - Almandine $ 120 SOLD Mint Canyon, Los Angeles Co., California, USA thumbnail - 1 x 0.9 x 0.7 cm ![]() ![]() ![]() Wonderful, complete translucent red Almandine garnet crystal. Complete and undamaged, uncommon.
K673 - Spessartine $ 120 SOLD Ruby Mountain, Nathrop, Colorado, USA thumbnail - 1.5 x 1.2 x 1 cm ![]() ![]() ![]() Complete and undamaged 1cm Spessartine crystal on matrix. Old label indicates this was found in 1961. ©2010-2018 Marin Mineral |