set of various polished red stones with names

agate aleurite almandine almandite aventurine background basalt brown bulls carnelian collage collection cornelian cuprite cut cutout description epidote eye garnet gem gemstone goldstone heliolite isolated jaguar jasper jaspilite jaspillite leopard mahogany manganese mineral name natural obsidian out oxs piedmontite piemontite polished red rock rolled sample sard set siltstone skin stone sunstone tumbled tumbling various white