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The Cleoniceras sp
Opal can naturally contain up to 20% water
The largest two fragments
it was not until 1783 that spinel was any different from the ever so sought after ruby
People love kyanite
Huge Cavansite on Stilbite - India The Cleoniceras spThis is a massive cluster of cavansite perfect for any mineral collection. This specimen allows you to see the many textures associated with cavansite as well as the inside of the cluster. It's a wonder how this piece is not in our personal collection! Cavansite is a rare mineral often caught by mineral collectors. It gets its name directly from its chemical composition calcium vanadium silicate. It typically forms in small clusters of deep blue
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