Hessonite (orange garnet crystals) from Kunar in Afghanistan.

Hessonite (orange garnet crystals) from Kunar in Afghanistan.

Kunzite colorless (Trifane), from Kunar in Afghanistan.

Kunzite colorless (Trifane), from Kunar in Afghanistan.

Peridot (Olivine) from Mansera in Pakistan (Triple-A)

Very often people speak of Peridot from Afghanistan, but he comes from Pakistan.
Availability: In stock
SKU
10848
  • Buy 1000 for €0.35 each and save 46%
Peridot (Olivine) from Mansera in Pakistan (Triple-A) is available to buy in increments of 100

The mineral group epidote consists of a number of sorosilicates, the most important of which is the mineral epidote. The mineral epidote is a calcium iron aluminum silicate with the chemical formula Ca2 (Fe3 +, Al) Al2 (SiO4) (Si2O7) O (OH). The yellow to brown-green, gray or black epidote has a glass luster, a gray-white stripe color and the cleavage is perfect according to crystal clear [001]. The crystal system is monoclinic. The average density is 3.45 and the hardness is 7. Epidote is not radioactive. The name epidote is derived from the Greek epidosis, which means "addition". Epidote is a very common mineral worldwide, especially in contact with metamorphic rocks. It is formed in crystalline limestone and in schist. Especially in the Knappenwand, near the Großvenediger in the Untersulzbachthal, Salzburg (Austria), beautiful epidote crystals are found. Epidote is common in the sand fraction of Dutch Quaternary river sediments. In the heavy mineral analysis as it took place in the Netherlands at the National Geological Survey during the second half of the twentieth century, the mineral is classified in the so-called unstable group.

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Dimensions 3-8mm
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