2" Clinozoisite and Epidote Crystal Cluster - Peru

This is a 2" wide association of yellow-green clinozoisite crystals and epidote that were collected from the Cañete Province of Peru.

About Clinozoisite

Clinozoisite is a member of the epidote group that forms in metamorphic rocks altered by heat and pressure. It is typically pale green, gray, yellowish, or nearly colorless, with a glassy to pearly luster. The mineral commonly occurs as prismatic crystals or granular masses within rocks like schist and gneiss.

Composed mainly of calcium, aluminum, and silicate, clinozoisite is closely related to epidote but contains less iron, giving it a lighter color. While primarily valued by collectors, transparent green varieties are sometimes cut as gemstones.

About Epidote

Epidote is a striking and often green mineral known for its complex crystal structure and vitreous luster. It is a calcium aluminum iron silicate that commonly forms in metamorphic rocks, particularly in regions that have undergone low to medium-grade metamorphism. The color of epidote typically ranges from pistachio green to dark green, although it can occasionally appear yellowish-green or even brown due to varying iron content.

Epidote crystals can appear in prismatic, slender forms or as aggregates, and they often exhibit striations along their length. The mineral’s translucent to transparent appearance and high refractive index give it an attractive, glassy shine.

It is commonly associated with minerals such as quartz, feldspar, and garnet, often forming in metamorphic rocks like schist and gneiss. It can also be found in skarn deposits alongside minerals like calcite, diopside, and amphiboles. These associations can provide insights into the geologic history and metamorphic conditions of the region. Epidote is found in locations worldwide, with notable sources including Austria, Norway, Pakistan, and parts of the United States. Collectors prize epidote for its unique green hues and well-formed crystal clusters.
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DETAILS
SPECIES
Clinozoisite & Epidote
LOCATION
Cerro San Cristobal, Cañete Province, Lima Dept., Peru
SIZE
2 x 1.6"
CATEGORY
ITEM
#121990