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Mineral Specimens with Quartz
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6.1 x 3.6 x 1.8 cm. A rare, old-time, and superb combination specimen from the Rhone-Alpes area of France. Two, red paper arrows point the way to two, thin, tabular, brown brookite crystals hidden in a jackstraw cluster of glassy, water-clear quartz crystals. The large brookite is 6 mm. Ex. George Elling Collection.
7.5 x 5.1 x 3.0 cm. Gemmy and lustrous, yellow-orangey-red vanadinite crystals to 8 mm scattered on an upright quartz-rich plate from the famous Apache/Defiance Mine, Gila County, Arizona.
4.4 x 3.1 x 2.7 cm. A superb, complete all-around combination specimen from finds at Zagi Mountain, Pakistan. A single, long and thin, brown brookite blade is enclosed upright in a water-clear quartz crystal.
7.1 x 3.0 x 2.6 cm. Piemontite is a rare, red epidote group silicate. This is a fine combination specimen from the famous No. 5 shaft at the Messina Mine of South Africa. Red piemontite microcrystals richly and preferentially cover three sides of a doubly terminated, sharply trigonal, transparent to translucent quartz crystal. Calcite crystals and kaolinite are additional, complimentary accessory minerals on the glassy quartz crystal. This is a fascinating doubly terminated quartz crystal, with one end being a sharp, single termination and the other end being multiply terminated. Ex. G.R. Glover Collection.
2.0 x 1.8 x 1.7 cm. A superb Arizona gold thumbnail. Rich, golden-yellow, hackly gold aesthetically covers the quartz matrix on this fine, old-timer from an unknown mine in Yavapai County.
2.8 x 2.6 x 1.5 cm. One side is richly coated with yellow tsumcorite blades with lustrous, brown wulfenite crystals. The other side is composed of a jackstraw cluster of sharp quartz crystals coated with hematite. Ex. Ed Ruggiero Collection.
5.8 x 1.7 x 1.1 cm. A gorgeous, glassy, amethyst obelisk with a cute sidecar crystal from the Richard Hauck Quartz Collection. The crystal is water-clear and is nicely striated. Ex. Richard Hauck Collection.
8.9 x 7.3 x 6.9 cm. This is a large, pristine, unrepaired tourmaline in exceptional condition, featuring a deep green core and a lighter green termination capped by a very thin, red-pink line of growth. It is imposing in its very large, equant form, and perched nicely upon a diagonal crystal of smoky quartz. The large, broad termination is unusual in its even height for such a flat top. Stark white cleavelandite drapes around the backside to provide accent.
9.0 x 6.6 x 5.7 cm. This is classic, old Santa Rosa material, totally distinct, from the early 1960s to late 1970s heyday here. The tip of the tourmaline is pristine an measures nearly an inch across (over 2 cm) and thick. It has a riveting green cap that does not take any backlighting to show off. The tourmaline body is 9 cm, nearly 4 inches, long. The color of the green is nearly electric. Ex. Ed Harrison Collection.
8.9 x 6.5 x 3.4 cm. From the Sweet Home Mine, this combination specimen has elegant little blue fluorite decorating a quartz plate, with a sharp and isolated rhodochrosite perched right in the middle. It is a fine crystal of good color, sharp form, and is one inch or 2.4 cm across.
A DRAMATIC FLOATER group of 2 pristine, transparent to translucent and lustrous quartz crystals from Hot Springs, Arkansas. The smaller quartz crystal looks like a Herkimer diamond. Excellent aesthetics. Ex Gene Meieran Collection. 6.3 x 6.3 x 5.0 cm
A water-clear, lustrous and striated doubly-terminated quartz crystal with two side-car crystals from Brumado, Brazil. Nearly perfect. 6.5 x 2.3 x 2.3 cm.
Beautiful, gemmy, isolated crystals of amethyst scattered over the surface of this large and impressive piece from one of the few localities that has produced amethyst specimens worthy of good collections. The crystals measure up to 2.5 cm and have no damage. 12.1 x 10.1 x 4.8
A fine Swiss smoky quartz gwindel, complete and terminated all the way around (the contact is on the bottom), with superb faces and no damage. Came with a pricetag of $200, which is actually quite reasonable for a good gwindel such as this. 6.0 x 4.0 x 2.1 cm
A beautiful and pristine specimen of sparkly quartz coating light-blue chrysocolla from the well-known Inspiration Mine in the Globe-Miami District of Gila Co., Arizona. Choice material. 6.5 x 4.1 x 4.0 cm
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Rob Lavinsky, rob@irocks.com
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