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If you've ever seen a Brookite crystal from Balochistan
many thousands of dollars
Specimen# CO712B194
Specimen # BOL711B22
The crystal shows an interesting and eye-catching fluorescence under UV light with shades of pink
Polybasite (pseudomorph after Acanthite) New Jersey If you've ever seen aHere we have a wonderful cabinet sized display specimen featuring fine quality, sharp, dark grey colored, pseudo hexagonal crystals of Polybasite on all sides. At first glance, the underlying matrix appears to be crystals of Acanthite, but upon close inspection, you can see hundreds of tiny Polybasite crystals on the surface, which combined with the somewhat skeletal nature of the Acanthites makes be believe that these could actually be pseudomorphs
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