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Lab Grown Minerals
4.1" Green ALUM SharpGemmy Octahedral Crystal...
$60.00
The two large octahedral alum crystals on this piece are up to 2" across, and are gemmy and highly s..
4.4" ALUM Grass Green Octahedral Crystals to1...
$90.00
This specimen is a lab grown example of alum, in a vivid lime green color that is very eye catching...
5" Fruity Grape Purple-Violet ALUM Octahedral...
$125.00
The octahedral alum crystals on this piece are up to 1.8" across, and are clear and highly skeletali..
5.6" Eye Candy Azure Blue CHALCANTHITE Sharp ...
$200.00$400.00
There is a big, fat, shiny, electric blue chalcanthite crystal sitting right in the middle of a bunc..