Tumbled Prehnite / 20-40mm AVG - 1 KILO LOT jewelry Each assortment includes a variety

Each assortment includes a variety of ring styles

Most of the stone is quartz and feldspar

Tumbled Quartz Lamp on Wood Base with Cord and Light Bulb

These pieces contain 100% natural lepidolite

Avg Size Range: (25 millimeters)

Tumbled Prehnite / 20-40mm AVG - 1 KILO LOT jewelry Each assortment includes a varietyQuantity: 1 kilogram Average size range: 20 to 40 millimeters Prehnite is a semi brittle gemstone that most often forms as globules, stalactites, or in botryoidal growths. While not a zeolite itself, it is often found near zeolite deposits like heulandite or stilbite, and it was first found in what is now South Africa in the late 1700s.