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Canadian Pinolite rough cut

Gemrocks Epidote mining

In 2021, Gemrock Peru started mining Epidote in the desert mountains of Lima province.

We therefore can provide you with rough rock and carved products.

  • We are offering high quality collectors level crystals in flats.
  • We are cutting non-crystalized massive epidote into tumbled and other products.
  • We are also offering “massive crystals” (= fan-shaped crystals are not yet separated from each other ) for gemcutting.
  • Finally we are offering Epidote crystals in different sizes as bulk by the kilo.


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.

Well-developed crystals of epidote crystallize in the monoclinic system and are of frequent occurrence: they are commonly prismatic in habit, the direction of elongation being perpendicular to the single plane of symmetry. The faces are often deeply striated and crystals are often twinned.

Many of the characteristics of the mineral vary with the amount of iron present, for instance, the color, the optical constants, and the specific gravity. The color is green, grey, brown, or nearly black, but usually a characteristic shade of yellowish-green or pistachio-green.

Epidote displays strong pleochroism (or iridescence), which means their optical properties vary with the direction of light. The direction of the electric field determines the polarization of light, and crystals will respond in different ways if this angle is changed.

rhodonite with green epidote egg
rhodonite with green epidote egg

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Our Sustainability Report 2021

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Products made with Epidote

Click on link to see the product types

Cutting services

Do you need reliable high-quality cutting services for a reasonable price?  Are you looking for a service provider that is willing to develop new products according to your requirements? Would you like to get expert advice in order to improve your product? Do you wish for someone to optimize the process and get the most out of your rough? Just talk to us.

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