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D356 - Zircon $ 120 Mashewa, Tanga Region, Tanzania thumbnail - 2.5 x 0.5 x 0.4 cm ![]() ![]() ![]() Single gemmy Zircon crystal with a nice wine red to red brown coloration. Complete all around and undamaged except for some slight edge chipping. Smooth, flat crystal faces. Zircon crystals from this locality often have long thin surface grooves caused by another unidentified crystal. This crystal has such surface grooves, and it also has a crystal of the other mineral fully included inside it. A whitish colored crystal a full 1cm long can be seen running lengthwise in one side of the Zircon crystal.
D179 - Rhodochrosite $ 6000 N'Chwanning Mine, Kuruma, South Africa miniature - 3.2 x 2.5 x 2.3 cm ![]() ![]() ![]() ![]() Cluster of large scalenohedral Rhodochrosite from the famous old finds at the N'Chwanning Mine. The crystals are transparent to translucent with a deep cherry red coloration. The crystal are perfect and stand upright, with only 1 smaller crystal showing a cleave at the tip. Rare and hard to find specimen just released from a collection.
K155 - Adamite $ 60 Mina Ojuela, Mapimi, Durango, Mexico small cabinet - 5.5 x 4.5 x 4 cm ![]() ![]() ![]() Stout, individual crystals of Adamite in a Limonite vug. Largest crystal is 1 x 1 cm. Ex. Allen Winans collection.
J932 - Spinel $ 150 Ruaha, near Mahenge, Morogoro, Tanzania thumbnail - 2.7 x 2.2 x 1.6 cm ![]() ![]() ![]() Octahedral purple Spinel crystal from a new find at Ruaha. Complete all around and undamaged except for a contact/damage at one tip. Good luster and translucency.
K122 - Copper Bisbee, Cochise Co., Arizona, USA small cabinet - 6.7 x 5.5 x 3 cm ![]() ![]() ![]() Solid, heavy mass of crystalline Copper from the historic Bisbee mining district.
K141 - Amethyst scepter $ 140 Crystal Park, Beaverhead Co. Montana, USA miniature - 3.2 x 1.8 x 1.3 cm ![]() ![]() ![]() Transparent Quartz scepter with Amethyst and smokey coloration. Complete all around and undamaged.
K142 - Amethyst scepter $ 140 Crystal Park, Beaverhead Co. Montana, USA miniature - 3.8 x 1.3 x 1.3 cm ![]() ![]() ![]() Transparent Quartz scepter with Amethyst and smokey coloration. Complete all around and undamaged.
K125 - Franckeite (Var: Potosíite) with Franckeite $ 180 San Jose Mine, Cercado Province, Oruro City, Oruro Dept., Bolivia miniature - 5 x 4 x 2.5 cm ![]() ![]() ![]() ![]() A fine example of the rare sulfosalt species, Franckeite, covered with crystals of what was formerly known as Potosiite (now discredited). Potosiite is the variety of Franckeite that is tin-poor in its chemistry with crystals more tabular in shape. There are large, flat individual crystals on this specimen to 6 x 6mm. A rare specimen.
K169 - Brucite $ 400 Killa Saifullah, Balochistan, Pakistan cabinet - 12 x 10 x 3 cm ![]() ![]() ![]() Large specimen of solid Brucite without matrix. Large radial crystal groups to 4.5cm wide, well crystallized all around and undamaged. Medium yellow color, translucent, thick and sturdy.
J987 - Axinite $ 150 New Melones Reservoir, Calaveras Co., California, USA small cabinet - 7 x 6 x 3.5 cm ![]() ![]() ![]() Bladed purple Axinite crystals on matrix from one of the world's best localities for the species. A little green Epidote adds color contrast. Largest crystal is 2.2cm.
J999 - Celestite on Sulfur $ 80 Floristella Mine, Enna Province, Sicily, Italy thumbnail - 3 x 2.5 x 1.8 cm ![]() ![]() ![]() White Clestite crystals on Sulfur. Main crystal is 2cm and double-terminated. Undamaged specimen.
K223 - Sand Calcite $ 80 Rattlesnake Butte, Jackson Co., South Dakota, USA small cabinet - 7.3 x 6 x 3 cm ![]() ![]() ![]() ![]() Double-terminated Calcite crystals heavily included by sand. A very clean example from this famous loacality. This is a specimen I've owned since I was about 10 years old.
K240 - Tsavorite, Diopside on Graphite $ 280 Merelani Hills, Arusha, Tanzania small cabinet - 6 x 4.5 x 2.5 cm ![]() ![]() ![]() Transparent Tsavorite crystals with Diopside on a matrix of solid Graphite. The Tsavorites are gemmy with great color, largest crystal is 5mm.
K241 - Tsavorite, Diopside on Graphite $ 250 Merelani Hills, Arusha, Tanzania small cabinet - 9 x 5.5 x 3.5 cm ![]() ![]() ![]() Druse of transparent Tsavorite crystals over much of a matrix of solid Graphite. Isolated crystals of Diopside in association.
K242 - Tsavorite, Pyrite, Quartz, Diopside on Graphite $ 350 Merelani Hills, Arusha, Tanzania small cabinet - 7.5 x 5 x 2.5 cm ![]() ![]() ![]() Wonderful and uncommon Merelani combo specimen with a 1.1cm double-terminated Quartz crystal, a 1cm Pyrite crystal, and small Tsavorite and Diopside crystals on a matrix of solid Graphite. Quartz crystals on Graphite are uncommon.
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