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monoclinicuncommonSilicates (Amphibole Group)
Edenite
NaCa2Mg5(Si7Al)O22(OH)2
Edenite typically forms prismatic to acicular crystals, often exhibiting a light green, white, or gray color with a vitreous luster.
Edenite Physical Properties
Mohs Hardness
5.5Crystal System
monoclinicLuster
vitreousStreak Color
whiteCleavage
perfect on {110} at 56° and 124°Fracture
unevenSpecific Gravity
3.05Colors
white, light green, gray, colorlessTransparency
translucentType Locality
Edenville, New York, USA (type locality)Mineral Group
Silicates (Amphibole Group)Uses
scientific research, mineral collectingAssociated Minerals
quartz, feldspar, pyroxene, mica, calcite, garnetRarity
uncommonGeological Context
This amphibole mineral is commonly found in medium- to high-grade metamorphic rocks such as amphibolites and skarns, and occasionally in some igneous rocks.
