chrysocolla
crystallized chrysocolla from Zaire
polished chrysocolla with malachite
polished chrysocolla cabochon cut
cabochon of chrysocolla
solid like inclusions
solid like inclusions
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
APPROACHING GEMS
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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