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T686 - Copper $ 450 Onganja, Namibia small cabinet - 9 x 6.5 x 5 cm ![]() ![]() ![]() ![]() Heavy mass of Copper crystals from the famous Onganja Mine. This specimen is displayable from all angles and has a wide range of crystal sizes from very fine branching crystals up to individuals to over 2cm in size.
T691 - Tsavorite $ 400 Merelani Hills, Arusha, Tanzania thumbnail - 1.9 x 1 x 0.8 cm ![]() ![]() ![]() ![]() Fine quality elongated Tsavorite crystal from recent production (2017) that has been producing these stange, elongated crystals. Many of the new crystals, like this one, exhibit a faden line running up the C-axis. This is an undamaged floater cluster of a few interconnected crystals.
T717 - Copper 'Skull' $ 1200 Keeweenaw Peninsula, Michigan, USA cabinet - 12 x 8 x 8 cm ![]() ![]() ![]() ![]() Large, exceptional Copper 'Skull', a cast of Copper formed when Copper coats a rounded nodule in a conglomerate with the nodule later eroding away leaving the "skull'. This one is both good sized and exceptionally well formed (complete) and preserved. Many get smashed or dented or are only partial hemispheres. I'd say this one has about 80% coverage of what was the former nodule.
T724 - Tourmaline $ 600 Alto Ligonha, Mozambique small cabinet - 6.8 x 1.8 x 1.6 cm ![]() ![]() Long, terminated single Tourmaline crystal with a pink red color and a very thin green cap. This is an old piece in great condition, slightly etched and undamaged except for a couple small chips on side faces. Weighs 34.9 grams. This was recently released from a collection.
T734 - Herderite $ 3000 Xanda Mine, Virgem De Lapa, Minas Gerais, Brazil small cabinet - 7.5 x 6.5 x 4.5 cm ![]() ![]() ![]() ![]() ![]() Large single Herderite crystal with good purple color from the mine that has produced the world's best. This is a very large crystal and in good condition with many typical faces, etched (but glassy) faces, and a couple areas of contact.
T742 - Rhodochrosite after Calcite Madem-Lakko Mine, Chalkidiki Prefecture, Macedonia Department, Greece cabinet - 12 x 9 x 6 cm ![]() ![]() ![]() Pink rhodochrosite with the dominant crystal 6cm wide and perfectly centered atop the specimen. The Rhodochrosite formed as a replacement after Calcite. The specimen has areas of coverage by drusy Quartz and has associated Pyrite.
T743 - Quartz $ 450 Orange River, Karas Region, Namibia small cabinet - 6.7 x 2 x 1.3 cm ![]() ![]() Fantastic scepter with a solid red Hematite included Quartz that grew atop and along a milky Quartz crystal. Slight edge chatter, otherwise undamaged.
T748 - Azurite $ 3500 Touissit, Morocco small cabinet - 5.3 x 4.5 x 4 cm ![]() ![]() ![]() ![]() Two large Azurite crystals on a Dolomite matrix. Largest crystal is 3cm. Both are well terminated. There are small reticulated Cerussites on the Dolomite. I bought this about 15 years ago in Tucson and have held it in my collection since then.
T752 - Cuprite on Malachite $ 450 Ongonja Mine, Seeis, Namibia miniature - 3.9 x 3 x 2.7 cm ![]() ![]() ![]() ![]() ![]() Highly aesthetic specimen of a large single crystal of Malachite with attached octahedra of Cuprite. The Malachite has spherical indentations on the front and backside with a broad, flat termination. The locality is believed to be Ongonja, but it is possible it could be Katanga. Undamaged.
T763 - Aquamarine $ 900 Skardu District, Pakistan miniature - 4.3 x 2.5 x 2 cm ex. Irv Brown ![]() ![]() ![]() ![]() ![]() Glassy and gemmy etched Aquamarine crystal. Natural processes in the pegmatite have partially dissolved the crystal leaving this fully crystallized, undamaged gem with oustanding form.
T768 - Malachite after Azurite, Azurite $ 750 Ajo, Arizona, USA miniature - 5 x 4.5 x 2.5 cm ex. Irv Brown ![]() ![]() ![]() ![]() Two larger velvety crystals of green Malchite after Azurite crystals on matrix with blue Azurite crystals. The Azurite crystals are located both on the matrix and on the pseudomorphs. Fine and undamaged, an excellent Ajo specimen.
T782 - Wulfenite $ 850 Old Yuma Mine, Tucson Mts, Pima Co., Arizona, USA miniature - 4.5 x 2.8 x 2.3 cm ex. Irv Brown ![]() ![]() ![]() A 2.8cm wide red/orange Wulfenite crystal on Calcite matrix. The backside of the crystal has a druse of Calcite but the front is bright and lustrous. Minor chipping along the edges but overall great condition.
T793 - Tourmaline $ 300 Afghanistan miniature - 3.5 x 1 x 0.7 cm ex. Irv Brown ![]() ![]() Single Tourmaline crystal that grades up from medium green to clear to dark green at the termination. Unusual color zoning. Undamaged, with gem zones.
T802 - Legrandite $ 450 Mina Ojuela, Mapimi, Durango, Mexico thumbnail - 2 x 1.2 x 1 cm ![]() ![]() ![]() Bright golden crystal cluster of Legrandite with good terminations across the top, and even the tiny tips at the bottom end are terminated. Great color.
T810 - Copper $ 250 Santa Rita Mine, New Mexico, USA cabinet - 11.8 x 6 x 1 cm ![]() ![]() ![]() ![]() Flattened cluster of elongated Copper crystals with a good red patina. Good on both sides.
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