Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOT Menu Clouds about 16 pieces)

about 16 pieces)

Tumbled Amethyst

Chrysoprase is formed through the replacement of nickel-rich silicates by silica in nickel ore deposits or as a secondary mineral in weathered serpentinite rocks

Rose Quartz 500 Gemstone Chip Tree on Wood Base with Silver Wire

Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOT Menu Clouds about 16 pieces)Quantity: 1 pound Average size range: 20 to 35 millimeters Stromatolites are layered sedimentary stones formed by photosynthetic bacteria. These bacteria form mineral layers by cementing local stone, sand, and gravel together over long periods of time. These structures can reach over 3 feet tall, and fossilized stromatolites are useful records of Precambrian life in paleontology.