Gems: Amethyst - Fluorite

Gems below are listed in alphabetical order by species.  Please click either the photo or information below for more details or to order.

1.62 ct. Bolivian Cassiterite

1.62 ct. Bolivian Cassiterite

162.00
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  • Color:  Dark Yellowish-Brown
  • Clarity:  Eye Clean
  • Origin:  Bolivia
  • Cut:  Round Brilliant
  • Treatments:  None
  • Measurements:  5.5 mm

Faceted Cassiterite has always been an appealing member of the collector class of gemstones.  It is a tin mineral that is rare in gem quality, but when cut is quite impressive - it has both a high refractive index and an adamantine luster.  This stone is a lovely example of this scarce material - many of these can be overly dark or poorly cut, not at all the case here.  A fine respectable size, very pleasant color and quite 'flashy'; this one is very nice.  Reasonably hard (7 on the Moh's scale) for a rarity as well.

$100 / carat - $162 total