Definition
Origin
Discoverer
Etymology
Class
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Other Categories
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava
From Andes mountains, where it is found in abundance
Fine Grained Rock, Opaque Rock
Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism
From minerals such as chlorite, serpentine, and epidote, and platy minerals such as muscovite and platy serpentine which are green in color
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock