Rock crystal mineral specimens from Madagascar, part of the quartz family of minerals, rock crystal is the clear or transparent variation of quartz, the most common mineral at the earths surface. These samples may show a conchoidal fracture and are suitable for collectors, enthusiast or educational use. Supplied in a card tray with an information label.
Rock crystal is the name given to transparent, clear quartz, so clear are these mineral specimens that they almost look like large chunks of shattered glass. Quartz is the most common mineral found at the surface of the earth and rock crystal is one of the most common, colourless, it is fairly hard and on some of the larger surfaces may show a conchoidal fracture. These specimens are available in 2 sizes and are excellent for collectors and for use in education as it is a major mineral. Supplied in a card tray with an information label.