HORNBLENDE

Miscellaneous

Family: None
Region: None
Mined At: Unspecified
Raw Mineral: Yes
Generic: No

Notes

(Richard Willis)

Mineral, of the ideal form (Ca, Na, K)₂^-3(Mg, Fe²⁺, Fe³⁺, Al)₅[OH(AlSi₃)O₁₁]₂Hardness: 5-6 Density: 2.9-3.4 Insoluble in acids
Common to virtually all granites and feldspathic rocks, thus is most likely a part of most any clay used as found naturally — complex and variable, as it is a group of the amphiboles. The variation with high Fe₂O₃content is called “basaltic”

Authors

Richard Willis (Owner)

XML

<?xml version="1.0" encoding="UTF-8"?>
<material name="HORNBLENDE" descrip="" generic="0" rawmineral="1" searchkey="" loi="0.00">
<notes>
<note>Mineral, of the ideal form (Ca, Na, K)2-3(Mg, Fe2+, Fe3+, Al)5[OH(AlSi3)O11]2 
Hardness: 5-6 Density: 2.9-3.4 Insoluble in acids 
Common to virtually all granites and feldspathic rocks, thus is most likely a part of most any clay used as found naturally &#151; complex and variable, as it is a group of the amphiboles. The variation with high Fe2O3 content is called &#147;basaltic&#148; 

</note>
</notes>
</material>

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HORNBLENDE

Miscellaneous

Notes

(Richard Willis)

Authors

XML