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Herderite
Herderite
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Phlogopite
Phlogopite
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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.
 
Tough
-
-
2.78-2.85
Uneven
Perfect basal (001)
2-2.5
KMg3(Si3Al)O10(F,OH)2

Compare Colorless Gems

Colorless Gems

Phenakite
Phenakite
Phosphophyllite
Phosphophyllite
Zektzerite
Zektzerite
Phlogopite
Hyalite
Phlogopite Vs Hyalite
Phlogopite
Muscovite
Phlogopite Vs Muscovite
Phlogopite
Oligoclase
Phlogopite Vs Oligoclase

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