set of various calcite gemstones on white

aragonite arragon arragonite background brown calcite chondrodite collage collection colorless condrodite crystal crystalline cutout gem gemstone glendonite green iceland icelandic ikaite isolated lime macro manganoan manganocalcite many mineral natural pebble pentahydrocalcite pink polished raw rock rolled rough sample set simbircite simbirsite spar specimen stone surface tumbled unpolished various white yellow