
An overview on Wilkeite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Wilkeite gems.
Apatite Group.
Occurrence: In metamorphosed marbles.
Kyshtym, Urals, USSR; Laacher See, Germany.
Crestmore, California in marble.
Comments: Wilkeite is a rare silicate—sulfate apatite that has not been encountered as faceted gems; however. I have seen cuttable crystals that would yield stones in the 1-5 carat range. These would be extremely rare stones.
Name: After R. M. Wilke, mineral collector and dealer in Palo Alto, California.









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Apatite Group.
Occurrence: In metamorphosed marbles.
Kyshtym, Urals, USSR; Laacher See, Germany.
Crestmore, California in marble.
Comments: Wilkeite is a rare silicate—sulfate apatite that has not been encountered as faceted gems; however. I have seen cuttable crystals that would yield stones in the 1-5 carat range. These would be extremely rare stones.
Name: After R. M. Wilke, mineral collector and dealer in Palo Alto, California.
An overview on Wilkeite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Wilkeite gems.
