Difference between revisions of "Paste diamond"
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Revision as of 13:40, 1 May 2016
Description
An inexpensive, imitation diamond gemstone. Paste diamonds are composed of a hard, highly refractive, lead glass. They lack the double refraction and regular molecular arrangement of true gem crystals (Brady 1971).
See imitation diamond for other types of simulated diamonds.
Synonyms and Related Terms
strass; rhinestone; lead glass; imitatie-diamant (Ned.)
Other Properties
Dispersion >0.02; low thermal conductivity
| Mohs Hardness | 5.0 - 6.0 |
|---|---|
| Density | 2.4-4.2 |
| Refractive Index | 1.67 |
Additional Information
G.S.Brady, Materials Handbook, 10th edition, McGraw-Hill, New York, 1971.
Comparisons
Natural and Simulated Diamonds
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 364
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Diamond_simulant (Accessed Feb. 2, 2006)