Rough Crystal Quartz / 25-40mm 1 Kilo Lot jewelry 3/8 Inch Thick) Sizes Vary

3/8 Inch Thick) Sizes Vary

925 Sterling Silver Malachite Rings

Points measure approximately 1 inch

Polished 7 Stone Butterfly

Chalcopyrite is a brassy golden copper ore

Rough Crystal Quartz / 25-40mm 1 Kilo Lot jewelry 3/8 Inch Thick) Sizes VaryQuantity: 1 kilogram Average size range: 25 to 40 millimeters Quartz is one of the most common minerals found in the Earth's crust and takes on a variety of colors depending on the other minerals and trace elements included as it forms and grows. These pieces comprise primarily rock crystal and white quartz, the latter taking its color from tiny inclusions of fluid or gas while it is formed.