UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Perfect on {110} at 56° and 124°; partings on {010} and {100}
Perfect on {110} at 56° and 124°; partings on {010} and {100}