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Small AMETHYST CRYSTAL Rough * 1/2-1\" Size * Great Wire Wrap Jewelry Rough For Sale
![Small AMETHYST CRYSTAL Rough * 1/2-1\](img-large/g/W6UAAOSwhAJlSSk2/s-l1600/Small-AMETHYST-CRYSTAL-Rough-1-2-1-Size-Great-Wire.jpg "Small AMETHYST CRYSTAL Rough * 1/2-1\")
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Small AMETHYST CRYSTAL Rough * 1/2-1\" Size * Great Wire Wrap Jewelry Rough:
$8.86
Size: 1/2-1\" - 40-70 Stones/Lb.**February Birthstone**
This listing is for a 1/4 Lb. up to 25 lb. lots of Amethyst rough from Brazil similar to the photos pictured. Each one pound lot contains approx. 40-70 stones per pound, most approximately 1/2-1\" in size. Each lot is different but you can expect quality similar to the stock photo pictured. These stones are suitable for your jewelry making, wire wrap, beads, crafts, classroom science projects, or a multitude of other projects. Link to Our Other Amethyst SpecimensLink to Our Other Wholesale and Bulk Minerals
AMETHYST PROPERTIES:
Amethyst is produced in abundance from the state of Minas Gerais in Brazil where it occurs in large geodes within volcanic rocks. Amethyst also occurs at many localities in the United States. Among these may be mentioned: the Mazatzal Mountain region in Gila and Maricopa Counties, Arizona; Red Feather Lakes, near Ft Collins, Colorado; Amethyst Mountain, Texas; Yellowstone National Park; Delaware County, Pennsylvania; Haywood County, North Carolina; Deer Hill and Stow, Maine and in the Lake Superior region of Minnesota, Wisconsin, Michigan, and Ontario in Canada. Chemical formula - Silica (silicon dioxide, SiO2).
Color - Purple, violet.
Crystal habit - 6-sided prism ending in 6-sided pyramid (typical).
Crystal system - rhombohedral class 32.
Cleavage - None.
Fracture - Conchoidal.
Hardness - 7–lower in impure varieties.
Luster - Vitreous/glossy.
Streak - White.
Specific gravity - 2.65 constant; variable in impure varieties.
Refractive index - nω = 1.543–1.553 nε = 1.552–1.554.
Pleochroism - None.
Melting point - 1650±75 °C.
Courtesy of Wikipedia
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