Amethyst Shape Heart malachite with chrysocolla Please note these are from

Please note these are from a China bedrock therefore are not call Yooper Rocks

This mineral gets its name from Mount Vesuvius

They are close relatives of sea urchins and heart urchins

This looks like calcite to us

This quartz is usually found in intrusive igneous and certain high-grade metamorphic rocks

Amethyst Shape Heart malachite with chrysocolla Please note these are fromAmethyst is a purple variety of quartz that gets its color from irradiation and inclusions of iron in the crystal lattice. Amethyst has been prized for thousands of years as a gemstone, commonly being used in jewelry. Ancient Greeks believed that amethyst prevented the intoxicating effects of alcohol. Amethyst was considered a precious gem until the 18th century when large deposits were discovered in South America. This piece is polished into a heart