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Dominant species
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Agate
Chemical
Formula
SiO2
Species
Silicates
Mohs
Scale
6.5-7
Specific
Gravity
2.58-2.64
Color
White to grey, light blue, orange to red, black. banded
Streak
White
Luster
Waxy
Refractive
Index
1.530–1.540
Diaphaneity
Translucent
Cleavage
None
Fracture
Conchoidal with very sharp edges.
Crystal Habit:Cryptocrystalline silica
Agate3780
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Agate3770
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Agate3767
Agate3765
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Agate3762
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Agate3758
Agate3758
Agate3757
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Agate3747
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Agate3743
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Agate3742
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Agate3738
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Agate3728
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Agate3723
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Agate3664
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Agate3653
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Agate3648
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