Orthoclase
Chemistry
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Links to Other Materials
Miscellaneous
- Family: None
- Region: None
- Mined At: Unspecified
- Raw Mineral: Yes
- Generic: No
Notes
(Richard Willis)
Mineral group, of the ideal form K(AlSi3O8)
The potassium-aluminum silicates designating a particular type of feldspar: the “potassium-feldspar”. The term ‘orthoclase’ is also used to refer in general to igneous rocks of significant potassium content together with an unusually high content of silica.
Authors
- Richard Willis (Owner)
XML
<?xml version="1.0" encoding="UTF-8"?>
<material name="Orthoclase" descrip="" generic="0" rawmineral="1" searchkey="Potassium Feldspar, Monocline, Sanidine" loi="0.00">
<oxides>
<oxide symbol="K2O" name="Potassium Oxide" status="" percent="16.920" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="18.320" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="64.760" tolerance=""/>
</oxides>
<references>
<reference name="seealso" reason=""/>
<reference name="seealso" reason=""/>
</references>
<notes>
<note><B></B>Mineral group, of the ideal form K(AlSi<FONT SIZE=2><SUB>3</SUB></FONT>O<FONT SIZE=2><SUB>8</SUB></FONT>)
The potassium-aluminum silicates designating a particular type of feldspar: the &#147;potassium-feldspar&#148;. The term &#145;orthoclase&#146; is also used to refer in general to igneous rocks of significant potassium content together with an unusually high content of silica.
</note>
</notes>
</material>
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