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Actinolite - Wikipedia Actinolite is commonly found in metamorphic rocks, such as contact aureoles surrounding cooled intrusive igneous rocks It also occurs as a product of metamorphism of magnesium-rich limestones
Actinolite: Mineral information, data and localities. It is an important indicator mineral of the greenschist facies, and many petrologists use the actinolite-pumpellyite facies to describe a defined set of pressure and temperature conditions It has therefore been decided to keep the mineral actinolite
Actinolite Meanings and Crystal Properties - The Crystal Council Actinolite is an amphibole silicate mineral that crystallizes in the form of long blades or a skinny needle like structure This crystal is mainly found in its distinct dark green color, but can also be seen as white, yellow, grey or black This mineral was first recorded back in 1794 by R Kirwan
Actinolite - ALEX STREKEISEN A variety of actinolite, nephrite, is one of the two minerals called jade Nephrite is more abundant than jadeite and has few color varieties, ranging only from creamy white to green
Actinolite Mineral Information - Silicate mineral Actinolite is a variety of asbestos, occurring in long, slender, needlelike crystals and also in fibrous, radiated, or columnar forms in metamorphic rocks (such as schists) and in altered igneous rocks
Actinolite | Silicate, Greenstone, Amphibole | Britannica Actinolite, an amphibole mineral in the tremolite-actinolite series of calcium, magnesium, and iron silicates The minerals in this series are abundant in regionally metamorphosed rocks, such as schists
Actinolite Mineral Data From the Greek, aktinos, meaning "ray" in allusion to actinolite's fibrous nature Comments: Sharp, floater actinolite crystal with a slight green tint Location: Namibian dessert, more or less due West of Uis, Namibia Scale: 8 5 x 2 5 x 2 cm Green, Green black, Gray green, Black
Actinolite - Gems Minerals Actinolite is a moderately common and well-studied amphibole group mineral, notable for its green to grayish-green coloration and fibrous or bladed crystal habit
Actinolite Gemstone: Properties, Meaning, and Value Guide Actinolite is a green, translucent amphibole gemstone known for its cat’s eye type It’s often present in nephrite jade and quartz Learn actinolite properties, value, and healing uses!