Fluorescent Grossular Garnet | 4.9mm Trillion | East Africa | GR106
Fluorescent Grossular Garnet | 4.9mm Trillion | East Africa | GR106
At 4.9mm and 0.48 carats, this trillion-cut grossular delivers an impressive face-up appearance for its weight, with the three-cornered shape maximizing the stone's bright green color and light return. What makes this stone particularly rare is its fluorescence — a property uncommon in garnets, which are typically inert under ultraviolet light. Fluorescent grossular garnets are a genuine collector's curiosity, offering a dynamic optical experience that changes under different lighting conditions. This is an exceptional choice for a designer seeking a stone with both visual impact and a compelling technical story.
Grossular Garnet is one of the most compositionally diverse members of the garnet family, occurring in a broader range of colors than nearly any other garnet species — from colorless and yellow to orange, brown, and vivid green. The bright green color seen in this East African specimen is driven by trace amounts of vanadium and chromium, the same coloring agents responsible for the exceptional greens found in tsavorite, which is itself a variety of grossular garnet. East Africa — spanning Tanzania, Kenya, and surrounding regions — is the world's most significant source for fine green grossular material, producing stones with a saturated, grassy brilliance that competes with far more expensive green gems.
DETAILS
Origin: East Africa
Species: Garnet
Variety: Grossular
Cut: Trillion
Size: 4.9mm
Weight: 0.48 ct
Sold: Individually
Treatment: None
Hardness: 6.5 – 7.5 (Mohs)
Refractive Index: 1.730 – 1.760
Materials: Grossular Garnet.
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