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| Category:
Collectibles
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Rocks, Fossils, Minerals
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Lapidary Materials
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| Start Price: |
USD 8.00 |
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| Current Price: |
USD 8.00 |
| Reserve Price: |
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| Time Left: |
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| Bid Count: |
0 |
| Buy It Now Price: |
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| Start Time: |
7/23/2008 |
| End Time: |
7/30/2008 |
| Location: |
Franklin, North Carolina |
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Amethyst 158 grams rough gemstones cab specimen or semi facet rule shows inches ___________________________ THE GEMSTONES IN THIS AD ARE not stock photos thay are of the gemstones you will receive. ____________________________ ALL GEMSTONES AND ROUGH ARE GENUINE NATURAL GEMSTONES lighting used was standerd 100 watt light bulb. good for cabbing or facet also wire wrap of rough crystals Genuine Gemstones Genuine natural gemstone-not man made _________________________________________________________________________________ Quartz (silicon dioxide) Color: Colorless, gray, brown, yellow, orange, violet, red-violet, pink and leek green. Type/Color: Amethyst - Violet to red-violet. Citrine - Light yellow, amber, orange to deep red-brown and golden-brown. Ametrine - Combination of amethyst and citrine in one stone. Rock Crystal - Colorless Rose Quartz - Pink Smoky - Light-brown to black to smoky gray. Prasiolite - Leek-green Moh’s hardness: 7 Refractive index: 1.544-1.553 Critical angle: 40° Specific gravity: 2.63-2.65 Cleavage: None Fracture: Conchoidal, brittle. Dispersion: Medium (.013) Heat sensitivity: Low Pleochroism: Amethyst: very weak (purple to grayish purple); Natural citrine: weak (yellow to light-yellow); Prasiolite: very weak (light-green to paler green); Rock crystal: colorless, no dichroism; Rose quartz: weak (pink to paler pink); Natural dark smoky: definite (brown to reddish-brown). Birefringence (double refraction): Weak (.009) Crystal structure: Hexagonal Treatments: Oro Verde, lemon citrine, smoketrine and most dark gray smoky quartz without any brown tones are all irradiated. Citrines are often heat treated to improve color and give a reddish tint. Most citrine is amethyst that has been heat treated. Some smoky can be heated to create citrine. Prasiolite is heat treated amethyst and citrine from one locality. Cutting: Quartz cuts easily. Pre-polishing with 1200 Nubond or 3000 standard lap will make polishing much quicker and more enjoyable. Polishing: Cerium oxide on most common polishing laps. ______________________________ Be sure to add me to your favorites list! Check out my other items! Sign up for PayPal; the fast, easy, and secure way to pay online. 600 cts= aprox 1/4 pound __________________________ All new items under 2.00 are listed directly in the store, to view click the link above 100,s of items in store no repeats. _____________________________________________________ REUTRNS: return for full refund, all lots must be returned whole NO highgrading or part lot returns. _____________________________________________________ Shipping: FREE Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.
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