collage of various brown gemstones with names

background barite baryte bauxite bronzite chrysolite clinohumite collage collection crystal cutout description enstatite gem gemstone hairworm hypersthene isolated jaguar jasper jaspilite jaspillite labradorite leopardskin mahogany mineral name obsidian olivine peridot pietersite polished pyrope quartz rock set smoky sphalerite sphene spreushtein spreustein stone stromatolite stromatolith tigereye titanite topaz tumbled unakite various white