https://www.mineral-bosse.de
https://www.mineraliengrosshandel.com
https://weloveminerals.com/
https://www.mineralbox.biz
https://www.edelsteine-neuburg.de
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Almarudite - In den Dellen (Grube Zieglowski)

Collectors Summary

Chemical Formula (K,Na)(Mn2+,Fe2+,Mg)2(Be,Al)3[Si12O30]
Color gelb, orange
Streak color blassorange
Hardness (Mohs) 6
Cleavages keine
Fracture unregelmäßig
Crystal System hexagonal, P6/mcc