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Spessartine or spessartite is manganese aluminium garnet, Mn3Al2(SiO4)3. Its name is derived from Spessart in Bavaria. It occurs most often in granite pegmatite and allied rock types and in certain low grade metamorphic phyllites. Spessartine of an orange-yellow is found in Namibia, Nigeria, Mozambique, Tanzania and Madagascar. 

gem rough 118
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Rich Mandarin orange color spessartine garnet fromNigeria. Light/medium - medium saturation. Thismaterial is very difficult to get clean. This nodule is verygood shape for high yield and clean.Best cut round/cushion.Dimensions:   13.8 mm x 11.0 mm x 10.4 mm  weight:    ..
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