Tourmaline - Wikipedia, The Free Encyclopedia
Dravite, also called brown tourmaline, is the sodium magnesium rich tourmaline endmember. Uvite, in comparison, is a calcium magnesium tourmaline. ... Read Article
Diamond Bracelet For Sale 14kt Littleton Colorado Part 2 ...
Diamond bracelet for sale in Highlands Ranch Colorado! 14kt gold, 8 inches long with 50 diamonds. If each diamond is .02 points then the total carat weight w ... View Video
Tanzanite - Wikipedia, The Free Encyclopedia
Tanzanite is the blue/violet variety of the mineral zoisite (a calcium aluminium hydroxyl Sorosilicate) belonging to the epidote group. These green tanzanite have some meaningful value in the collector market, but are seldom of interest to commercial buyers. ... Read Article
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