Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOT Menu Clouds This particular variety of hematite

This particular variety of hematite is highly magnetic

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

Tumbled Amethyst

usually so-called "invisible gold" contained inside the crystalline structure

Tumbled Stromatolite / 20-35mm AVG - 1 LB. LOT Menu Clouds This particular variety of hematiteQuantity: 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.