Detailed sheet

chrysocolla

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.



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

greasy, vitreous

Hardness

2.0 to 4.0

Density

1.90 to 2.40

Cleavage

none

Fracture

conchoidal



OPTICAL PROPERTIES

Transparency

opaque, translucent

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



CRYSTALS PROPERTIES

monoclinic crystals in botryoidal aggregates

crystals system

monoclinic



OTHER INFORMATIONS

Astrological sign

Capricorn, Leo, Pisces, Taurus

Exploited
sites

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

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.

imitations and
treatments

dyed chalcedony.

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.

Other
Gems

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