Natural Fluorescent Ruby 40g from Mount Darwin, Zimbabwe

$30.00 USD

These natural rubies fluoresce a gorgeous bright red under UV

Please see images for exact details of this listing. 

Weight: 40g

From mindat.org :
Ruby is a red, gem variety of corundum. The red colour is caused by minor amounts of trivalent Cr replacing Al in the crystal structure.

In traditional gemmological terms, ruby has to be blood-red and of clear, facetable quality to justify the name, however in wider usage any corundum with a red or reddish colour has attracted the name 'ruby', and this name is usually applied in this way by mineral collectors.

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