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Corundum

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What are the Best Rough Sapphire Stones? - Gem Society

The best rough sapphire stones may come from different sources, depending on the color you want. However, valuable blues may pose some faceting challenges.

Corundum | Geology Page

Chemical Formula: Al2O3 Locality: Tchainit and Yakutia, Russia. Name Origin: Probably derived from the Sanskrit, kuruvinda, meaning "ruby." Corun

Corundum

Formula: Al2O3 Hardness: 9 Description: The mineral name of ruby and sapphire. Hexagonal crystal systems with vitreous to adamantine lustre. Specimen numbe...

Corundum: Use as a Gemstone, Abrasive, Refractory

Corundum is used as a gemstone, abrasive, refractory and much more. Red corundum is a ruby, blue is a sapphire, any other color is a fancy sapphire. Synthetic corundum is used instead of natural corundum in most applications.

Corundum | links to corundum information topics on this page corundum varieties

Corundum mineral information page at mineralminers.com: your on-line link for corundum scientific facts and corundum mineralogical information - all about natural corundum - with links to all varieties of natural corundum as well information on worldwide corundum mining locations and background info for each corundum variety regarding corundum physical properties, corundum geologic occurance, corundum metaphysical information and uses of corundum, and the history of corundum.

Faceting Design Diagram: Turban - Sapphire / Corundum - Ruby, Ceylon, Padparadschah, Pink, Yellow, Green - International Gem Society

Everything you ever wanted to know about corundum. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.

The Winza corundum (ruby, sapphire) displays interesting difference in colors, saturations and tones. Like most deposits, plenty of rough needs to be examined before finding nicely crystallized gems.

The Winza corundum (ruby, sapphire) displays interesting difference in colors, saturations and tones. Like most deposits, plenty of rough needs to be examined before finding nicely crystallized gems.

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$160 · Shop with us today! This facet cut Ruby Corundum is sparkly and special and glows with the brilliance of pink and red in different lights. #jewellery #bohojewellery #desiderate #australianmade #handmadejewellery #australianjewellery #goldcoaststyle #perth #melbourne #sydney #wollongong #creativedesign #giftsforwomen #accessories #bohoinspired #bohemianstyle #jewellerylover #sterlingsilver #ovale #ruby #julybirthstone #classic #big #stunning #preciousgem #handcrafted #fashionstyle #ring
Aye, Corundum. . . 😱Joseph, the Designer, discusses gemstone genealogy.  You read right.  Gemstones have family.  💎The gemstone family topic--September's  Birthstone & the Corundum family .
Ruby Corundum Set ❤️✨
Blue Sapphire Corundum Pear Shape Faceted Beads Blue Sapphire Pear Shape Beads Stone: Blue Sapphire Corundum Gemstone Size: 7 X 9 mm Number of Beads: 19 - 22 per Strand Approx Quality: AAA+ Shape: Pear Shape Beads Style: Faceted Beads Color: Red Drill: Side Drill Our photographs are taken with a macro lens to show the details of the gems and are not representative of the size of the gems. Please read the listing for the sizes. Sizes are in MM, 12 mm = 1/2 inch.