Ardoise et pyrite Grenat / Garnet Slice of polycrystalline quartz from

Slice of polycrystalline quartz from Uruguay

malachite and chrysocolla

Fossilized coral is the result of replacing prehistoric coral with quartz or silica thus creating a fossil

Chalcedony with a matte finish cut by the renowned Dieter Lorenz of Idar-Oberstein

Prasiolite is part of the large quartz family

Ardoise et pyrite Grenat / Garnet Slice of polycrystalline quartz fromSlate piece containing a multitude of small pyrite crystals. This natural combination of pyrite in slate is perfect for modern and contemporary jewelry. Slate is a metamorphic rock from a clay that belongs to the family of shale. Variety: Slate and pyrite Color: Gray and Gold Dimensions: 9. 00 mm Shape: Round Hardness: 5. 5 Actual product colors may vary from colors shown on your monitor.