11 mai 2014
Manganite, Ilfeld, Nordhausen, Harz, Thuringia, Germany. Overall Measurements: 6.49 x 3.34 x 2.65 inches (16.5 x 8.5 x 6.74 cm). Sold for $149,000. Photo Heritage Auctions DALLAS, TX.- A cluster of midnight-black Manganite crystals, from Germany's Harz Mountains, sold for $149,000 to lead Heritage Auctions' $1.3 million Nature & Science Signature Auction. More than 200 lots changed hands as multiple bidders pushed prices for exemplary varieties past high estimates at the May 4 auction in Dallas. "This category... [Lire la suite]
09 mai 2014
Shiny silver dyscrasite crystals with allergentum in calcite from Morocco.
29 décembre 2013
Apophyllite over Quartz and Stilbite Stolzite Fluorite, Calcite // Elmwood Mine, Smith County, Tennessee, USA Tanzanite Natural Gem Crystal.
29 décembre 2013
Fluorite on Calcite Minerals from Caravia Mine, Caravia, Asturias, Spain, Europe
25 décembre 2013
Calcite with Sphalerite
28 octobre 2013
Red Reticulated Rutile, Pentagonite, Calcite, Aqua Aura Kyanite, Smithsonite on Coronadite, Azurite and Malachite, ...
Red Reticulated Rutile - Brazil Pentagonite - India Calcite - China Aqua Aura Kyanite (Black Kyanite infused with Gold) - Brazil Smithsonite on Coronadite - Australia. Azurite and Malachite ps. after Selenite. Crystalline "feather" of Electrum (Silver and Gold mix) on Quartz matrix - Nevada
28 août 2013
Native Sulfur inclusions inside and atop Gypsum crystals. From the Gaurdak Sulfur Dept., Chardzhou, Lebap Province, Turkmenistan. Measures 8 cm by 7.5 cm by 7 cm in total size. Native Copper wires inside a Calcite vug colored by Chalcotrichite (Cuprite). From Bisbee, Cochise County, Arizona. Measures 8.8 cm by 13.4 cm by 7.5 cm in total size. Ex. Arizona-Sonora Desert Museum Collection Malachite on Alabandite from the Bisbee Copper Mines. From the Copper Queen Mine, Bisbee, Cochise County, Arizona. Measures 10 cm by 9.8... [Lire la suite]
06 août 2013
Tourmaline from Vietnam by Dan Weinrich Spinel in Calcite - Vietnam Liddicoatite with Quartz - Vietnam
03 août 2013
APOPHYLLITE3.5" acrossWell Pocket, Poona District, Maharashtra, IndiaCollection of Russ BEHNKE, Meriden, Connecticut, U.S.APhoto : Russ BEHNKE © TOURMALINE33.54 caratsNewry, Maine, U.S.A"One of the top 10 cut stones from the 1972 discovery."Photo : Russ BEHNKE © MALACHITE after AZURITE2.5" acrossTsumeb, NamibiaEx. Harvard UniversityCollection of Russ BEHNKE, Meriden, Connecticut, U.S.APhoto : Russ BEHNKE © SPHENECrystal is 1.5" longGilgit, PakistanCollection of Russ BEHNKE, Meriden,... [Lire la suite]
02 août 2013
Stilbite crystals on Black Chalcedony - India Calcite with Hematite inclusions - Namibia Youngite - Wyoming Youngite is a local name for agate or jasper coated by drusy quartz crystals. It is found near Guernsey Wyoming in limestone rocks. Iridescent Adularia - France Apophyllite crystals over pink Stellerite on Basalt matrix - India (source http://bijoux-et-mineraux.tumblr.com)