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>> Group(s) : silicates
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Its name, of the masculine gender, comes from the Greek "khrusos" : gold, and "kholla": glue, referring to the fact that this mineral was used powdered to solder gold. It has been called "the little sister of turquoise" because of its alikeness.
The rock of Eilat (southern Israel) consists of chrysocolla, pseudo-malachite and turquoise, and had been exploited since ancient Egypt.
It also exists in a variety called silicious chrysocolla, which is an homogenous blend of chrysocolla and chalcedony.
Its hardness can reach 7 when chalcedony is predominant.
Parrot wing it's a blend of jasper and chryscolla.
It also exists a blend of red cuprite and chrysocolla.

Exploited sites

Very widespread mineral in many deposits of copper: Chile, United States (Nevada), Israel, Mexico, Peru, Russia, Zaire (Lisaki and Ruwe, Katanga) ...

See pictures of the mines / other pictures

Use in jewelry

The chrysocolla is cut into cabochons, rarely in platelets. To make it harder, it is sometimes coated with plastic, and not to report this it constitutes a fraud.
The "Eilat Stone" is a mixture of chrysocolla, turquoise and pseudo - malachite.This decorative stone is exploited in Eilat (in southern Israel), it is crafted into pendants, rings, earrings.

Daily care and precautions

It fears acids and household products. Only washable with water.

Looking alike stones

azurite , malachite , turquoise , variscite

Historical healing properties

The chrysocolla would convey a message of peace based on love, compassion, inviting us to appreciate the gifts of nature and to receive them with gratitude in order to live in harmony with it. It would make our emotional behaviors more harmonious, would balance our sensations, and allow us to better understand the others.
Many people see it as a stimulating meditation stone. Placed in a house, a large sample of chrysocolla brings peace and harmony, relaxing and resting the people living in it. It would calm those nervous or anxious.

Imitations and treatments

dyed chalcedony.

Chemical characteristics
(CuAl)2H2Si2O5(OH)4 - nH2O

hydrated copper silicate

Physical characteristics

Main color : blue

Other colors : green

green-blue, it can be cut through by dioptase veinlets

Color of streak : white, green

Luster : vitreous, greasy

Hardness : 2.0 to 4.0

Density : 1.90 to 2.40

Cleavage : none

Fracture : conchoidal

Optical properties

Transparency : translucent, opaque

often opaque

Refractive Index : 1.460 - 1.630

Double refraction : 0.020

Definite, biaxial (-)

visible double refraction : no

Pleochroism : very weak

Number of colors : 1

Fluorescence : none


Monoclinic crystals in botryoidal aggregates

Crystal system : monoclinic

Other informations

Astrological sign : Taurus, Leo, Capricorn, Pisces

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  • Taurus Taurus
  • Leo Leo
  • Capricorn Capricorn
  • Pisces Pisces

It promotes compassion, harmony and peace and helps to clarify the situations.