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MINERAL IDENTIFICATION PROJECT


Search found 1 mineral.


Mineral
Hard- ness
Cleavage
Fracture
Trans- parency
10% HCl Reaction
SG
Luster
Color
Streak
Xtal Form
Mineral Class
Comments
citrine (quartz group)
7.0
none
conchoidal
Transparent
none
2.65
glassy
yellow
white
prismatic
silicates
Color from yellow to brown. Many natural crystals but most commercial citrine is due to heat treating amethyst.

 
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