1.3" Fluorescent Ruby and Almandine Garnets in Matrix - Russia

This is a gorgeous, colorful metamorphic rock formation that's composed of ruby, almandine garnet, biotite, and plagioclase feldspar. It comes from Khit Ostrov, Russia, a region known for its crystal formations that include ruby (corundum), fluorapatite, titanite, kyanite, rutile, and more.

This specimen has been mounted to an acrylic display base with mineral tack. Under shortwave UV, the ruby crystals exhibit a vibrant red-pink fluorescence.

Ruby is a variety of corundum distinguished for its bright red color, which often varies from pinkish-red to a deeper blood-red. It is one of the most popular gemstones for both its alluring color and hardness--9 on the Mohs hardness scale--making it suitable for nearly all types of jewelry. Sapphire is chemically identical to ruby, but encompasses the remaining colors, though mainly blue. For this reason, ruby can be classified as red sapphire, but typically is left as its own gemstone variety due to its historical significance and appealing coloration.

Chemical Formula - Al2O3
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DETAILS
SPECIES
Corundum var. Ruby, Almandine Garnet, Mica var. Biotite & Feldspar var. Plagioclase
LOCATION
Khit Ostrov, Loukhsky District, Republic of Karelia, Russia
SIZE
1.3" wide
CATEGORY
SUB CATEGORY
ITEM
#247162