
Image: <bdi><a href="https://www.wikidata.org/wiki/Q108103612" class="extiw" title="d:Q108103612"><span title="Wikipedian and OpenStreetMap mapper from Cologne, Open Data activist">Raimond Spekking</span></a></bdi> (CC BY-SA 4.0)
hexagonaluncommonSilicates
Beryl
Be3Al2Si6O18
The image displays a well-formed, pale greenish-blue hexagonal prismatic crystal of Beryl, exhibiting good transparency and vitreous luster.
Beryl Physical Properties
Mohs Hardness
7.5Crystal System
hexagonalLuster
vitreousStreak Color
whiteCleavage
imperfect basalFracture
conchoidalSpecific Gravity
2.7Colors
green, blue, pink, yellow, colorless, red, pale green, pale blueTransparency
transparentType Locality
BrazilMineral Group
SilicatesUses
jewelry, industrial, collectorAssociated Minerals
quartz, feldspar, mica, topaz, tourmalineRarity
uncommonGeological Context
Beryl commonly forms in granitic pegmatites, but can also be found in mica schists, hydrothermal veins, and metamorphic rocks, requiring beryllium-rich fluids for its crystallization.