Epidote - Wikipedia
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, …
Epidote: A metamorphic mineral and silicate mineral group.
Epidote is the word used for a calcium-iron silicate mineral that forms through regional and contact metamorphism. It is also the name of a diverse group of silicate minerals that often contain rare earth elements.
Epidote: Mineral information, data and localities. - mindat.org
Epidote Group > Epidote Supergroup Name: Named in 1801 by Rene Just Haüy from the Greek επιδοσιζ ("epidosis"), meaning "increase", in allusion to the crystal characteristic of one longer side at the base of the prism.
Epidote Mineral Data
Epidote. Comments: Dark green, blocky epidote with transparent quartz. Location: Copper Mt., Prince of Wales, Alaska. Scale: 7 x 5 cm. © Fabre Minerals
Epidote Group Minerals | Properties, Occurrence, Uses » Gemstone
2023年8月29日 · Hardness, Cleavage, and Fracture: Epidote has a hardness ranging from 6 to 7 on the Mohs scale, which means it is moderately hard. This hardness allows it to be cut and polished for use in jewelry and other ornamental applications.
Epidote - Details and Facts - allmineralsrock
Epidote is typically green, but it can also be yellow-brown, black or colorless. The mineral has a hardness of 6 to 7 on the Mohs scale and has a vitreous to resinous luster. Epidote is commonly found in prismatic or tabular crystal habit and can also occur in massive or granular form.
Physical Properties: Cleavage: Perfect on f001g, imperfect on Fracture: Uneven. Tenacity: Brittle. Hardness = 6{7 D(meas.) = f100g. 3.38{3.49 D(calc.) = 3.391{3.464. Optical Properties: Transparent to nearly opaque. Color: Pistachio-green to pale green, yellow, yellowish green, greenish yellow, greenish black; yellow-green in thin section.