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This Specimen has been sold.
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1.7" Polished Uvarovite Sphere with Stone Base - Russia
This is an alluring, 1.7" wide polished sphere made from emerald green garnets that formed within a brecciated rock. It comes with an equally stunning base made from the same material, adding to the aesthetic beauty of the specimen. Unlike the druzy habit more commonly seen on the market, these garnets completely filled in their respective cavities, resulting in optimal polishing material. The polish really brings out the vibrant green coloration of the uvarovite.
About Uvarovite Garnets
Uvarovite is a rare, chromium-rich member of the garnet group with the formula Ca₃Cr₂(SiO₄)₃, prized for its striking, naturally occurring emerald-green color. It is the only garnet species that is consistently green due to chromium, the same element that gives emerald its vivid hue. Unlike many garnets that form as larger, individual crystals, uvarovite typically occurs as dense druses or clusters of small, sharply formed dodecahedral crystals, creating a sparkling, gem-like surface across the host rock.
Geologically, uvarovite forms in calcium–chromium–silicate environments, most commonly in chromite-bearing serpentinites, metamorphosed ultramafic rocks, and skarn deposits. Classic localities include the Outokumpu district of Finland, the Saranovskii and other chromite mines of the Ural Mountains in Russia, and deposits in Spain and Quebec, Canada. Smaller yet noteworthy occurrences have also been reported from Norway, South Africa, Turkey, and a handful of other chromium-rich metamorphic terranes.
Uvarovite is a rare, chromium-rich member of the garnet group with the formula Ca₃Cr₂(SiO₄)₃, prized for its striking, naturally occurring emerald-green color. It is the only garnet species that is consistently green due to chromium, the same element that gives emerald its vivid hue. Unlike many garnets that form as larger, individual crystals, uvarovite typically occurs as dense druses or clusters of small, sharply formed dodecahedral crystals, creating a sparkling, gem-like surface across the host rock.
Geologically, uvarovite forms in calcium–chromium–silicate environments, most commonly in chromite-bearing serpentinites, metamorphosed ultramafic rocks, and skarn deposits. Classic localities include the Outokumpu district of Finland, the Saranovskii and other chromite mines of the Ural Mountains in Russia, and deposits in Spain and Quebec, Canada. Smaller yet noteworthy occurrences have also been reported from Norway, South Africa, Turkey, and a handful of other chromium-rich metamorphic terranes.
SPECIES
Uvarovite (Garnet Group) & Calcite
LOCATION
Saranovskoje Deposit, West Ural, Russia
SIZE
Sphere: 1.7" wide, Base: 2.4 x 1.9"
CATEGORY
SUB CATEGORY
ITEM
#190202
