
Image: <a href="//commons.wikimedia.org/wiki/User:LadyOfManyTalents" title="User:LadyOfManyTalents">LadyOfManyTalents</a> (CC0)
trigonalcommonSilicates
Agate
SiO2
This polished specimen of Kentucky agate features soft pink tones with intricate banding, showcasing its natural beauty after being cabbed. It exhibits a smooth, polished surface.
Agate Physical Properties
Mohs Hardness
6.5Crystal System
trigonalLuster
vitreousStreak Color
whiteCleavage
noneFracture
conchoidalSpecific Gravity
2.6Colors
pink, white, greyTransparency
translucentType Locality
Estill County, KentuckyMineral Group
SilicatesUses
jewelry, ornamental objects, carvingsAssociated Minerals
quartz, calcite, zeolitesRarity
commonGeological Context
Agates typically form in cavities within volcanic rocks, where silica-rich fluids deposit successive layers over time. The pink coloring in this specimen is due to trace mineral inclusions during its formation.