A poorly defined or historical term for antimony-bearing alteration products, often black and earthy. Generally associated with grounding and protection.
Black, Brownish-Black, earthy
Stetefeldtite is a fascinating mineral with unique geological characteristics. Detailed scientific information is often available through specialized mineralogical resources.
Comprehensive geological data for Stetefeldtite is currently being compiled. Please consult specialized mineralogical databases for detailed information.