https://www.edelsteine-neuburg.de
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Spessartine - North Pilbara Craton

Collectors Summary

Chemical Formula {Mn2+3}[Al2](Si3)O12
Color rot, rötlich orange, gelblichbraun, rötlichbraun, braun
Streak color weiß
Hardness (Mohs) 6.5 - 7.5
Solubility + HF, - Säuren
Crystal System kubisch, Ia3d