= Fluorescent Specimen
|QUARTZ with CALCITE
Patagonia Mountains, Santa Cruz County, Arizona, USA
The main Quartz crystal in this group measures 5" tall, and 1 1/8" X 1" in diameter at the base. The crystal protruding out on the right side of the larger crystal is 1 1/4" long, and 5/8" in diameter. The entire front of the specimen is coated with a very thin secondary growth of colorless, very sparkly, drusy Quartz crystals. More than 100 intergrown, small white scalenohedral Calcite crystals were deposited all over the back of the Quartz crystal group. No matrix.
Specimen size: 5" tall, 2 3/4" wide, and up to 1 1/4" thick.
Order Item MS-007 List price: $45. Discount price: SOLD
|GALENA, PYRITE, SPHALERITE
La Providencia Mine, State of Zacatecas, Mexico
Galena has formed numerous intergrown cubes and modified cubes, with crystals ranging in size from +/- ¼", up to 3/8", covering the top of the matrix. Pyrite, the last mineral to form on the specimen, was deposited as more than 100 bright golden, to iridescent copper-red color pyritohedrons. A large mass of dark reddish-brown, crystalline Sphalerite forms the base of the specimen (no rock matrix), with a few Sphalerite crystal faces showing at the contact between the crystallized Galena and Pyrite. Attractive!
Size: 2 ¼" X 1 ¾" X 1 3/8"
Order Item MS-008 List price: $30. Discount price: SOLD
|METEORITE. IRON. OCTAHEDRITE, MEDIUM (IIIA).
Henbury Craters, Northern Territory, Australia
Each of the examples illustrated is a very attractive, complete individual iron meteorite with natural, reddish-brown, lightly oxidized surface, as field collected (specimens have not been cleaned). All have interesting, natural irregular surface features. Most of these specimens are from a collection, field collected in Australia circa 1970. The tiny white numbers visible in some of the photographs are the collection numbers applied to the specimens when they were originally brought to the USA from Australia. The specimens illustrated at the left are typical of Henbury iron meteorites. The list price is +/- $1.25 / gram, and the discount price is +/- $1.00 per gram.
Larger examples are also available:
Click here to see photos of larger natural, and cleaned specimens.
Photos are typical and do not correspond to table listing below.
|QUARTZ - Agate
Minas Gerais, Brazil
This complete slice, from the center of a natural Agate nodule, has color bands as follows, from the outer edge: dark brown, red-brown, smoky grey, and clear-colorless. The clear-colorless zone in the center is composed of many small, tightly intergrown Quartz crystals. This attractive specimen comes with a stand, for displaying it in an upright position.The front surface is polished. Weight: 456.7 grams (1+ lb.) Size: 5 7/8" X 5 5/8" diameter, X 12 mm (near 1/2") thick.
Order Item MS-010 .SOLD
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