Imilchil epidote crystals on clear matrix
Weight 200 gr
Superb assemblage of prismatic green epidote crystals from Morocco. Their brilliance and the texture of the matrix create a balanced composition, evidence of beautiful natural crystallization.
| CHARACTERISTICS | |
| Weight | 200 gr |
| Size | 70x55x50 mm |
| Reference | 250917619 |
| Mineral | mineral Epidote |
| Category | Crystals and geodes |
| Group | Crystals on ganges |
| Country |
 Morocco
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Contractual photos showing the object you will receive when ordering. the photos were taken in order to obtain the most faithful possible rendering of the object.
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| Formula Ca2Fe3+Al2(Si2O7)(SiO4)O(OH)] EPIDOTE | |||
| O | Oxygen | Other no metal | 40.04% |
| Fe | Iron | Transition metal | 24.2% |
| Si | Silicon | Metalloids | 16.22% |
| Ca | Calcium | Alkaline earth metal | 15.44% |
| Al | Aluminum | Poor metal | 3.9% |
| H | Hydrogen | Other no metal | 0.19% |
| 100% | |||
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Epidote is a silicate mineral belonging to the sorosilicate group, characterized by its complex chemical composition. This mineral is distinguished by its green color, which can vary from pistachio green to dark green, depending on the iron content. Epidote specimens can be found in metamorphic environments, particularly in greenschists and gneisses, where they form through the alteration of minerals such as plagioclase and amphibole.
In terms of physical properties, epidote has a hardness of 6 to 7 on the Mohs scale, making it relatively resistant to abrasion. Its density typically ranges from 3.3 to 3.5 g/cm³. Epidote exhibits perfect cleavage along {001} and imperfect cleavage along {100}, which can influence how the mineral fractures under stress.
Epidote is also of great interest to geologists, as its presence can indicate specific formation conditions in metamorphic rocks. Its formation is often associated with low- to medium-pressure, low-temperature metamorphic processes, making it a key mineral for the study of tectonic environments.
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