Corundum, Minerals

13-May-2024 Monday
Corundum - aluminum oxide


user8629429
 

League of Mineralogy
 
Corundum - aluminum oxide
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Collecting Corundum Mineralogy Minerals

10-November-2021 Wednesday
Morganite - gentle and beautiful


Lumerie
 

League of Mineralogy
 
Morganite - gentle and beautiful
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Aquamarine Gems Emerald Ring Corundum Minerals Pink Tourmaline Decoration The photo Color

07-May-2021 Friday
Ruby, rubellite or red spinel?!


Lumerie
 

League of Mineralogy
 
Ruby, rubellite or red spinel?!
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Gems A rock Necklace Ring Corundum Red Minerals Necklace Ruby Rubies Sapphire Earrings Tourmaline Decoration The photo Spinel Jewelry

12-November-2020 Thursday
Effect of impurities on the color of corundum crystals


Mircenall
 

League of Chemists
 
Effect of impurities on the color of corundum crystals
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Corundum Crystals Minerals Ruby Sapphire Chemistry

17-July-2019 Wednesday
Minerals 14


noname36
 
Minerals 14
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Geology Corundum Minerals Ultraviolet Fluorite

04-July-2018 Wednesday
Interesting find of corundum on Adua


desmin
 
Interesting find of corundum on Adua
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Video Corundum Minerals Ruby Sapphire

31-January-2018 Wednesday
Yakhont


boomo4ka
 
Yakhont
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Geology Corundum Crystals Mineralogy Minerals Ruby

15-October-2014 Wednesday
My collection of Corundum minerals, mined by me on Hit Island in Karelia.


AlextheFOX
 
My collection of Corundum minerals, mined by me on Hit Island in Karelia.
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A rock Corundum Beautiful Minerals
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