Image: <bdi><a href="https://www.wikidata.org/wiki/Q126871368" class="extiw" title="d:Q126871368"><span title="photographer from the United States">Darla Sondrol</span></a></bdi> (CC0)
cubiccommonSilicates
Jasper
SiO2
A microcrystalline variety of quartz, typically opaque and often exhibiting vibrant red, brown, or yellow colors due to iron inclusions, as seen in the reddish-brown specimen in the image.
Jasper Physical Properties
Mohs Hardness
7Crystal System
cubicLuster
vitreousStreak Color
WhiteCleavage
NoneFracture
ConchoidalSpecific Gravity
2.65Colors
red, brown, yellow, green, blue, black, multicoloredTransparency
OpaqueType Locality
WidespreadMineral Group
SilicatesUses
jewelry, ornamental stone, decorative objects, lapidary materialAssociated Minerals
quartz, hematiteRarity
commonGeological Context
Forms in various geological settings, including sedimentary deposits, volcanic rocks, and hydrothermal veins, often as a result of silica precipitation and replacement of other minerals.
