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BIOTITE

Miscellaneous

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

Notes

(Richard Willis)

Mineral, of the ideal form K(Mg, Fe⁺⁺)₃[(OH)₂(Al, Fe⁺⁺⁺)Si₃O₁₀]
Hardness: 2.5-3 Density: 2.8-3.2 Soluble in H₂SO₄
Very common to igneous rocks, important member of mica group of minerals. High refractory, used frequently with insulating materials.

Authors

• Richard Willis (Owner)

XML

<?xml version="1.0" encoding="UTF-8"?>
<material name="BIOTITE" descrip="" generic="0" rawmineral="1" searchkey="" loi="0.00">
<families>
<family name="Raw Mineral"/>
</families>
<notes>
<note>Mineral, of the ideal form K(Mg, Fe&lt;FONT SIZE=2&gt;&lt;SUP&gt;++&lt;/SUP&gt;&lt;/FONT&gt;)&lt;FONT SIZE=2&gt;&lt;SUB&gt;3&lt;/SUB&gt;&lt;/FONT&gt;[(OH)&lt;FONT SIZE=2&gt;&lt;SUB&gt;2&lt;/SUB&gt;&lt;/FONT&gt;(Al, Fe&lt;FONT SIZE=2&gt;&lt;SUP&gt;+++&lt;/SUP&gt;&lt;/FONT&gt;)Si&lt;FONT SIZE=2&gt;&lt;SUB&gt;3&lt;/SUB&gt;&lt;/FONT&gt;O&lt;FONT SIZE=2&gt;&lt;SUB&gt;10&lt;/SUB&gt;&lt;/FONT&gt;]&lt;BR&gt;
Hardness: 2.5-3 Density: 2.8-3.2 Soluble in H&lt;FONT SIZE=2&gt;&lt;SUB&gt;2&lt;/SUB&gt;&lt;/FONT&gt;SO&lt;FONT SIZE=2&gt;&lt;SUB&gt;4&lt;/SUB&gt;&lt;/FONT&gt;&lt;BR&gt;
Very common to igneous rocks, important member of mica group of minerals. High refractory, used frequently with insulating materials.&lt;BR&gt;

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

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