Tourmaline (Black) - 3 malachite with chrysocolla These pieces are polished into

These pieces are polished into the shape of a palm stone

and perfect cubic cleavage

Jasper is a microcrystalline quartz

Germany and the Axis troops extensively mined Pinolite during World War II for its high manganese content

Smoky Quartz is a brownish-grey to almost black translucent variety of quartz

Tourmaline (Black) - 3 malachite with chrysocolla These pieces are polished intoBlack Tourmaline, scientifically known as Schorl, can originate from the crystallization of molten rock deep within Earth's crust. The black color is often due to the presence of iron impurities within the crystal structure. You will receive the exact piece as pictured. Dimensions: 2. 5 L x 2. 0 W x 1. 25 H inches Weight: 0. 39 pounds