Properties
Mineral group: Quartz
Chemistry: SiO2
Color: Colourless white, yellow, brown, pink, violet, green and others
Crystal system: Trigonal
Mohs Scale hardness: 7
Refractive index: 1,544-1,553
Birefringence: +0,009
Specific gravity: 2,63-2,65
Other
Quartz is a mineral in a broad sense with similar chemical composition. Quartz can be divided into two main subsets. Crystalline (macro-crystalline), the variety is generally associated with quartz. This group includes Quartz, Amethyst, Smoky Quartz, Cat's eye Quartz others. The second group are polycrystalline (micro-crystalline), and have in turn several subgroups. Here we find the groups Chalcedony, Jasper, Quartzites like Aventurine and silicate replacements. Known examples here are Agate, Carnelian and different varieties of jasper and Tiger’s eye.
Read/Learn more about Quarts under "Gemstoneinformation"
Aventurine in healing
Aventurine is a crystal often associated with luck, prosperity and emotional balance. It comes in different colors, with green aventurine being the most common, but red, blue and peach aventurine are also popular.
Read/Learn more about Aventurine – Healing Properties
