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The spectacular display of colors these specimens display can be formed by two different geological processes: the oxidation of pyrite causing ultra-thin layers of iron oxide to form on the surface
fine quartz crystals
Fluorite crystals are well shaped
These specimens of natural uncut aquamarine occur within a unique matrix of thick mica with a strong yellowish tint
Fluorite has long been used as a gemstone and is increasingly popular in the market
Iceland Spar with Chalcopyrite Iceland Spar The spectacular display of colors
US$ 600.00
US$ 28.00
US$ 535.50
US$ 5000.00
US$ 349.50
