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Epidote
Epidote is an abundant rock-forming mineral, but one of secondary origin. It occurs in marble and schistose rocks of metamorphic origin. It is also a product of hydrothermal alteration of various minerals (feldspars, micas, pyroxenes, amphiboles, garnets, and others) composing igneous rocks. Epidote is a silicate mineral. It's a common mineral that's found in metamorphic rocks, such as marble and schist, and in igneous rocks that have been altered by hydrothermal processes.
Colors It Comes In - Colorless, yellow, green, yellow-green
Fracture Pattern - Uneven or irregular. It can also have flat, regular fractures, which are not cleavage.
Shape - Prismatic
Luster - vitreous
Texture - long, slender, grooved, glass like feeling, but often massive; perfect one direction cleavage lengthwise.
Where They Can Be Found - Found in thousands of localities worldwide with a few notable occurrences that include in France, Norway, Italy, Austria, the United States, Mexico, Namibia, and Pakistan.
Hardness On The Mohs Scale - 7 Out Of 10
