Rock Crystal
Meaning: Rock crystal is the clear variety of quartz crystal, also known as pure quartz or clear quartz. It is one of the most common minerals on Earth and can be found in many different geological environments.
History: Rock crystal has been used for thousands of years in jewelry, decorative objects, and religious artifacts. It was highly valued by the ancient Greeks and Romans, who believed that it had healing properties and could provide protection from harm.
Physical Properties: Rock crystal has a hardness of 7 on the Mohs scale and a specific gravity of 2.65. It is transparent to translucent with a vitreous luster and can be colorless, white, or slightly tinted.
Optical Properties: Rock crystal has a refractive index of 1.54 to 1.55 and a birefringence of 0.009. It is uniaxial and optically positive.
Healing Properties: Rock crystal is believed to have many healing properties, including the ability to amplify energy, enhance memory and concentration, and promote spiritual growth. It is also said to be a stone of clarity and purity.
Birthstone: Rock crystal is not a traditional birthstone, but it is the astrological birthstone for Aries.
Occurrence: Rock crystal can be found all over the world, with major deposits in Brazil, Madagascar, the United States, and Switzerland.
Uses: Rock crystal is used in a variety of ways, including as a gemstone in jewelry, as a decorative object, and in the production of electronic devices and equipment.
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