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Corundum var. Ruby - LBx-103 - Dattaw-taung - Myanmar (Burma) Mineral Specimen
Corundum: Use as a Gemstone, Abrasive, Refractory
Ruby - Wikipedia
Red Corundum Gemstone
Corundum var. Ruby - Mardani Fine Minerals
Corundum Properties, Facts and Photos
Corundum Gemstone: Properties, Meanings, Value & More | Gem Rock Auctions
Red corundum (ruby) crystals embedded in migmatite
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150 Ct Natural Red Ruby Rough Earth Mined Corundum Gemstone | eBay
Loose Round Faceted Dark Pink Ruby Corundum Gemstones Lab - Etsy
Top quality A grade small rough RUBY crystals from Tanzania on black background. RED CORUNDUM. Stock Photo | Adobe Stock
GIA Certified Oval Cut Natural Loose Transparent Corundum Red Ruby 1.1 – Popular Diamonds
Fantasia Materials: 1 Lb Red Corundum Ruby EX Grade Stones - Etsy
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What is corundum and what are its basic qualities?
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What is corundum and what are its basic qualities?
