A metamorphic rock, Amphibolite contains amphiboles, typically of the species hornblende, actinolite, and plagioglase. It is composed mainly of amphibole and plagioclase feldspars, and contains little to no quartz. Typically dark-colored and heavy, with the flakes of black and white giving it a kind of salt and pepper look. Origin: WY, Canada
Features
- Each rock measures approx. 1 to 2 inches along the longest side
- Metamorphic rock
- Composed of hornblende, actinolite, and plagioclase
- Pack of 2 samples
- Contains little to no quartz
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