Quartz
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Mineral NameQuartz
Chemical FormulaSiO2
Mohs Hardness7
Crystal Systemtrigonal
Lustervitreous
Streak Colorwhite
Cleavagenone
Fractureconchoidal
Specific Gravity2.65
Colorsclear, white, milky
Transparencytransparent to translucent
Type LocalityUbiquitous
Mineral GroupSilicates
Usesjewelry, industrial, collector
Associated Mineralsfeldspar, mica, calcite, pyrite
Raritycommon
Description
The image displays numerous clusters of clear to milky white, often prismatic, hexagonal quartz crystals, some forming druzy coatings on a matrix.
Geological Context
Quartz is a very common rock-forming mineral found in a wide range of igneous, metamorphic, and sedimentary rocks. It crystallizes from various geological processes, including hydrothermal veins and pegmatites.
