2mm Spessartine Garnet Round | Mandarin Orange | Loose Natural Gemstones
2mm Spessartine Garnet Round | Mandarin Orange | Loose Natural Gemstones
Calibrated 2mm round spessartine garnets from Mananga, Tanzania. The quality and coloring of these stones vary, with some having minor inclusions when viewed under 10x magnification. Spessartine is the manganese-aluminum end member of the garnet group, and its color is produced directly by Mn²⁺ within the crystal lattice. The result is a saturated orange that ranges from bright tangerine to deep mandarin depending on iron content, with pure, low-iron material producing the most vivid, luminous tones. Mananga material sits at the higher end of the spessartine color quality spectrum, with the clean, strongly saturated orange that defines fine East African spessartine.
Spessartine garnet accepts no treatments — no heat enhancement, fracture filling, or surface coating is applied or practiced for this species. Color, clarity, and cut are entirely as-sourced.
Origin: Mananga, Tanzania
Species: Garnet
Variety: Spessartine
Cut: Round (faceted), calibrated
Size: 2mm
Color: Orange to mandarin orange (Mn²⁺) Treatment: None Hardness: 7–7.5 Mohs
Refractive Index: 1.79–1.81
Materials: Spessartine Garnet.
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