Montana Sapphires (Hardback)M. O'Donoghue (author)
Hardback 208 Pages / Published: 01/04/1996
- Not available
Montana sapphires are among the best examples of American gemstones. This text covers the general gemology, geology, mineralogy, and history of Montana sapphires. The presence of sapphire crystals in Montana rock and gravel, the new ways that have been found to heat treat the stones, and the wide variety of colours that result from heat treatment, all make n a book on Montana sapphires of interest to the professional and amateur gemology, mineralogy, and jewelry communities.
Publisher: Chapman and Hall
Number of pages: 208
Weight: 333 g
Dimensions: 234 x 156 mm
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