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AF415 - Dioptase $ 750 SOLD Tsumeb, Namibia thumbnail - 3 x 1.3 x 1.3 cm ex. James Houran ![]() ![]() ![]() ![]() Bright Dioptase crystals that appear to be stalactitic in form but are actually overgrown on needle-like crystals of an unidentified brown mineral. The specimen is columnar in form with bright sparkly crystals on all sides. From the James Houran thumbnail collection who obtained it from the Sacco collection.This specimen was part of the special exhibit 'African Thumbnail Treasures' at the 2012 Munich mineral show. The Dioptase is especially bright and sparkly.
AF391 - Cuprite $ 1500 SOLD Mashamba West Mine, Shaba Province, Congo cabinet - 10 x 5 x 3 cm ![]() ![]() ![]() Cuprite crystals to 1.5cm on an uncommonly wide, flat Chrysocolla covered matrix. These came out years ago and are among my favorite Cuprite specimens as the Chrysocolla really sets off the Cuprite crystals. Crystals are undamaged with a few on the far right completely covered by the Chrysocolla.
AF411 - Sapphirine $ 120 SOLD Anosy Region, Tulear Prov., Madagascar thumbnail - 1.3 x 1.3 x 1.3 cm ex. James Houran ![]() ![]() ![]() Dark Sapphirine crystal of particularly good form. Nearly a flaoter.
AF418 - Henritermierite on Ettringite $ 400 SOLD Wessels Mine, Hotazel, Northern Cape Province, South Africa thumbnail - 2.5 x 1.8 x 1 cm ![]() ![]() ![]() Red micro crystals forming rod-like groups in striking contrast to the matrix of yellow Ettringite crystals. Uncommonly attractive specimen of this very rare member of the Garnet group, which typically occurs as dark, unattractive specimens. With this specimen you get both rarity and beauty. This specimen was part of the special exhibit 'African Thumbnail Treasures' at the 2012 Munich mineral show.
A828 - Topaz $ 250 SOLD Yunnan Province, China thumbnail - 2.1 x 1.9 x 1.5 cm ex. James Houran ![]() ![]() ![]() Gem quality Topaz crystal with complex, multi-faceted termination. Fine and undamaged.
A829 - Clinozoisite $ 300 SOLD Tormiq, Gilgit, Pakistan miniature - 3.7 x 2.2 x 0.9 cm ![]() ![]() ![]() Intergrown pair of Clinozoisite crystals, undamaged with great luster. The high degree of transparency and the formation make this a great specimen.
US119 - Enargite SOLD Butte, Montana miniature - 4.2 x 3.5 x 3 cm ex. Bruce Carter ![]() ![]() ![]() Aesthetic cluster of sharp, lustrous Enargite crystals to 1.8cm wide at the terminations. Pyrite and Quartz crystals provide accent at the base.
US122 - Calcite $ 200 SOLD Alzada, Carter Co., Montana miniature - 4.2 x 3 x 2 cm ![]() ![]() ![]() Translucent orange stalactites of Calcite.Old material no longer being found.Undamaged.
US123 - Calcite $ 200 SOLD Alzada, Carter Co., Montana small cabinet - 6.2 x 2.5 x 1.2 cm ![]() ![]() Translucent orange stalactites of Calcite.Old material no longer being found.Main cluster of stalactites are undamaged with smallest side stalactite missing a tip.
US124 - Calcite $ 200 SOLD Alzada, Carter Co., Montana small cabinet - 6.2 x 2.4 x 1.5 cm ![]() ![]() Translucent orange stalactites of Calcite.Old material no longer being found.Undamaged.
US125 - Molybdenite $ 40 SOLD Colorado small cabinet - 7.5 x 3 x 2.5 cm ![]() ![]() Bright Molybdenite covering both sides of white Quartz. I was told this was from the 'Henderson Mine'.
SA696 - Morganite $ 750 SOLD Urucum Mine, Galileia, Minas Gerais, Brazil thumbnail - 1.9 x 1.6 x 1.6 cm ![]() ![]() ![]() ![]() Light pink gem crystal in the rare dihexagonal dipyramid form. This is one of 3 such crystals obtained by Frank Melanson in 2011. This crystal (and one of the other two) have a rounded, psuedo-isometric appearance, looking similar in form to a garnet crystal. For more information about these odd crystals, see the article here. ©2010-2018 Marin Mineral |