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(n.)
An oxychloride of copper, usually in emerald-green prismatic crystals.
  

General Information:
 Chemical Formula:
Cu2Cl(OH)3
 Composition:
(Molecular Weight = 213.57 gm)
Copper 59.51 % Cu
Hydrogen 1.42 % H 
Chlorine 16.60 % Cl
Oxygen 22.47 % O 
 Empirical Formula:
Cu2Cl(OH)3
 Environment:
Arid climates with oxidizable copper minerals.
 Locality:
Atacam desert province in northern Chile.
 Name Origin:
Named after its locality.
Physical Properties:
 Cleavage:
[010] Perfect
 Color:
green, yellow, yellow green, or black green.
 Density:
3.76 - 3.78, Average = 3.76
 Diaphaniety:
Transparent to translucent
 Habits:
Euhedral Crystals - Occurs as well-formed crystals showing good external form., Fibrous - Crystals made up of fibers., Granular - Generally occurs as anhedral to subhedral crystals in matrix.
 Hardness:
3-3.5 - Calcite-Copper Penny
 Luminescence:
None.
 Luster:
Adamantine
 Streak:
apple green
More details...

ATACAMITE

Eng: atacamite
Urdu: (چِلِّی کے صُوبے ایٹا کاما کے نام پَر) تانبے کا اساسی کلورائڈ جو عام طَور پَر چھوٹی چھوٹی سَبَز مَنشوری قَلموں کی صُورَت میں پایا جاتا ہے ۔
  

See more at Wikipedia.org...

(n.)
An oxychloride of copper, usually in emerald-green prismatic crystals.
  

General Information:
 Chemical Formula:
Cu2Cl(OH)3
 Composition:
(Molecular Weight = 213.57 gm)
Copper 59.51 % Cu
Hydrogen 1.42 % H 
Chlorine 16.60 % Cl
Oxygen 22.47 % O 
 Empirical Formula:
Cu2Cl(OH)3
 Environment:
Arid climates with oxidizable copper minerals.
 Locality:
Atacam desert province in northern Chile.
 Name Origin:
Named after its locality.
Physical Properties:
 Cleavage:
[010] Perfect
 Color:
green, yellow, yellow green, or black green.
 Density:
3.76 - 3.78, Average = 3.76
 Diaphaniety:
Transparent to translucent
 Habits:
Euhedral Crystals - Occurs as well-formed crystals showing good external form., Fibrous - Crystals made up of fibers., Granular - Generally occurs as anhedral to subhedral crystals in matrix.
 Hardness:
3-3.5 - Calcite-Copper Penny
 Luminescence:
None.
 Luster:
Adamantine
 Streak:
apple green
More details...

ATACAMITE

Eng: atacamite
Urdu: (چِلِّی کے صُوبے ایٹا کاما کے نام پَر) تانبے کا اساسی کلورائڈ جو عام طَور پَر چھوٹی چھوٹی سَبَز مَنشوری قَلموں کی صُورَت میں پایا جاتا ہے ۔