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Herderite
Herderite
☒

Tektite
Tektite
☒



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Herderite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.02
Subconchoidal, Conchoidal
Indistinct on {110}
5-5.5
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
 
-
-
-
2.34-2.51
-
None
-9999
SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O

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Tektite
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Muscovite
Tektite Vs Muscovite
Tektite
Oligoclase
Tektite Vs Oligoclase

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