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January Birthstone

Uvarovite is a highly desirable, yet widely unknown garnet species. Discovered in the 1830's in Russia, it was named in honor of Count Sergey S. Uvarov, a 19th century Russian statesman, scholar and avid mineral collector. Especially prized by collectors, uvarovite is hard to find anywhere, especially in sizes greater than 0.25 carats. Uvarovite ranges in color from medium to dark green and is best known for its granular, drusy masses which reveal well-formed dodecahedral or trapezohedral crystals under magnification.

Uvarovite Polished
Uvarovite Classification
Common Name Uvarovite
Species Garnet
Uvarovite Optical Properties
Transparency Opaque
Dispersion Strength: Weak Fire Value: 0.014
Refractive Index Over The Limit 1.798-1.865
Optic Character NA
Optic Sign NA
Polariscope Reaction Singly Refractive (SR)
Fluorescence SWUV: Inert or greenish
LWUV: Inert or red
Pleochroism None
Uvarovite Characteristic Physical Properties
Hardness 6.5-7
Streak White
Specific Gravity 3.710-3.810
Luster Vitreous
Fracture Conchoidal, Uneven, Irregular
Cleavage None
Uvarovite Chemistry & Crystallography
Chemical Name calcium chromium silicate
Chemical Formula Ca3Cr2(SiO4)3
Crystal System Cubic
Chemistry Classification Silicate

Uvarovite Colors

  • Green Uvarovite Green

Countries of Origin

Canada; United States of America (the); Norway; China; Finland; Russian Federation (the); Poland; South Africa

Sisk Gemology Reference

Showcasing 200 gemstones in over 1,000 pages and accompanied by more than 2,000 photos, The Sisk Gemology Reference is a must-have in every collector’s library. Each comprehensive, three-volume set features state-of-the-art photography, detailed illustrations, and scientifically precise descriptions to create an entrancing experience for gemstone amateurs and afficionados alike.

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Tim Matthews


Tim Matthews

Tim Matthews is President and Chief Executive Officer of Jewelry Television® (JTV), as well as a member of the company's Board of Directors. He oversees and leads all aspects of the company's powerful omni-digital retail platform that uniquely specializes in fine jewelry and gemstones. His passion for business and gemstones has led him to become a recognized expert in the field of gemology. He is a life member of the Gemmological Association of Great Britain (Gem-A) and has earned Gem-A's highest degrees, the Gemmology (FGA) and Diamond (DGA) diplomas. He is also a Graduate Gemologist (GG) of the Gemological Institute of America (GIA) and has also completed GIA's Graduate Diplomas in Diamonds, Colored Stones and Pearls. Under his leadership, JTV has become the leader in the sourcing and selling of color gemstones and jewelry.

This page was created on June 27, 2014.

This page was last edited on October 24, 2019.