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T763 - Aquamarine $ 900 (=~ AUS$ 1166) 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.
T766 - Rhodochrosite with Fluorite $ 600 (=~ AUS$ 777) Sunnyside Mine, Silverton, Colorado, USA miniature - 4.8 x 3.9 x 3.5 cm ex. Irv Brown ![]() ![]() ![]() Single undamaged 2.1cm rhodochrosite crystal with pale green octahedra of Fluorite.
T768 - Malachite after Azurite, Azurite $ 750 (=~ AUS$ 972) Ajo, Arizona, USA miniature - 5 x 4.5 x 2.5 cm ex. Irv Brown ![]() ![]() ![]() Two larger velvety crystals of Malchite after Azurite with Azurite. The Azurite crystals are located both on the matrix and on the psuedomorphs. Fine and undamaged.
T771 - Cerussite $ 300 (=~ AUS$ 389) Mibladen, Morocco miniature - 4 x 4 x 3 cm ex. Irv Brown ![]() ![]() ![]() ![]() Cerussite from Mibladen is somewhat common, but this is an uncommonly good one. A nice compact knob of matrix covered on both sides with gemmy Cerussite crystals to 2cm with minor amounts of pink Barite. Good from both sides, undamaged.
T774 - Malachite after Azurite, Azurite $ 280 (=~ AUS$ 363) Ajo, Arizona, USA thumbnail - 2.7 x 2.1 x 1.5 cm ex. Irv Brown ![]() ![]() ![]() Three interconnected velvety crystals of Malchite after Azurite with Azurite crystals on the psuedomorphs. Fine and undamaged.
T775 - Quartz $ 260 (=~ AUS$ 337) Lincoln Co., New Mexico, USA thumbnail - 3 x 2.5 x 0.7 cm ex. Irv Brown ![]() ![]() Japan-law twin smokey Quartz crystal. Edge contacted along lower left side, otherwise undamaged.
T776 - Andradite $ 300 (=~ AUS$ 389) Tormiq, Skardu District, Pakistan miniature - 3.5 x 3 x 3 cm ex. Irv Brown ![]() ![]() ![]() ![]() Large green Andradite crystal on matrix with Clinochlore. Largest Andradite is 1.9cm. Undamaged.
T782 - Wulfenite $ 850 (=~ AUS$ 1101) 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.
T786 - Azurite $ 350 (=~ AUS$ 453) Touissit, Morocco miniature - 3.5 x 2.5 x 2.5 cm ex. Irv Brown ![]() ![]() ![]() ![]() Undamaged cluster of bright, translucent blue Azurite. Good quality lustrous crystals.
T787 - Scolecite $ 200 (=~ AUS$ 259) Italy miniature - 3.9 x 3.8 x 2 cm ex. Irv Brown ![]() ![]() Small geode filled with white Scolecite crystals. There is one broken crystal deep in the vug, otherwise all crystals present though not terminated because they contacted the top of the geode. Unusual specimen, unfortunately no further locality information is available.
T789 - Tanzanite $ 700 (=~ AUS$ 907) Merelani Hills, Arusha, Tanzania miniature - 3.5 x 2.2 x 1.5 cm ex. Irv Brown ![]() ![]() ![]() Bi-colored single Tanzanite crystal, yellow over a blue core, with some attached Calcite. Slight chipping on the back face, otherwise undamaged. 23 grams.
T793 - Tourmaline $ 300 (=~ AUS$ 389) 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.
T794 - Quartz Namaqualand, Northern Cape Province, South Africa miniature - 4 x 3.8 x 3 cm ![]() ![]() ![]() ![]() Cluster of smokey grey Quartz crystals. The prism faces of the large crystals are covered by smaller Quartz crystals and the termination faces are flat and smooth. There is also color zoning in the terminations with dark zones along the edges. Found in 2017.
T802 - Legrandite $ 450 (=~ AUS$ 583) 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 (=~ AUS$ 324) 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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