Wholesale Brazil Rock Crystal A (raw stone)

CRI-R-01 Origin: Brazil Grade: A Dimensions: 05-10g - Approximately 15-25mm 10-20g - Approximately 25-35mm 20-30g - 35-40mm 30-40g - 40-50mm Origin: Brazil Grade: A = good Extra raw rock crystal from Brazil Sold individually. Weight from 5-10g to 30-40g Colors and shapes may vary from one stone to another. Rock crystal is naturally transparent and colorless. However, its color can change depending on the inclusions it has. During its formation, rock crystal can have inclusions such as iron, magnesium, aluminum, calcium, etc. But they can also come from minerals such as tourmaline, chlorite, hematite, etc. Thus, rock crystal can be blue, green, or golden. Completely pure rock crystal is only composed of silicon dioxide. It is part of the quartz family, from the silicate group, and has a hardness of 7 on the Mohs scale. Rock crystal as clear as water is associated with purity and transparency. It is also called clear quartz. Moreover, it is one of the most widespread minerals on Earth. Sometimes, it is part of the composition of other rocks, such as granite. The etymology of Crystal comes from the ancient Greek "krystallos" and "kryos," meaning ice and frost, respectively. In the 1st century AD, writings by Pliny the Elder in his encyclopedia Natural Histories mention that rock crystal could not melt even near an intense heat source. Indeed, it was supposed to be of icy coldness and was even reputed to be unbreakable. It was said to come from celestial water. Furthermore, he mentions that this crystal would have healing properties. Archaeological excavations have revealed that rock crystal was used since prehistoric times. Tools and weapons made of rock crystal have been found, as well as flints used to light fires. Since antiquity, this stone was believed to have healing, even supernatural powers. Rock crystal has been used by many civilizations around the world, at different times, and for various functions. The Mayans attributed dowsing qualities to it and used it to find water. As for the aborigines, they believed that this crystal came directly from the sky and included it in their initiation rites. The Romans and Greeks used it in the making of jewelry, cups, seals, or intaglios. They also used it in the cauterization of wounds by directing sunlight through the crystal onto the injury. In the Middle Ages, all kinds of crystals were called quartz. Thus, Georgius Agricola, a 16th-century scholar and mineralogist, decided to limit the name quartz to rock crystals. Rock crystal was also used in the making of crystal balls and the preparation of all kinds of elixirs. During the Renaissance, chandeliers, candelabras, and art objects made of rock crystal were found. Moreover, many characters or motifs were sculpted in this stone. Nowadays, this rock crystal is commonly used by jewelers for creating jewelry. The main deposits are located in Brazil.