PEGMATITE
Miscellaneous
- Family: None
- Region: None
- Mined At: Unspecified
- Raw Mineral: Yes
- Generic: No
Notes
(Richard Willis)
Phylonian rock, typically of 25% quartz and 75% feldspar. A graphic granite of high silica content in coarse crystals. Essentially of plagioclase and quartz; also biotite, muscovite, lepidolite, etc. Formed by the final crystallization of the intrusive masses. “Petuntze”, “Cornwall stone” and “Carolina stone” are well-known types.
Authors
- Richard Willis (Owner)
Pictures
-
Pegmatite Stone
XML
<?xml version="1.0" encoding="UTF-8"?>
<material name="PEGMATITE" descrip="" generic="0" rawmineral="1" searchkey="" loi="0.00">
<notes>
<note>Phylonian rock, typically of 25% quartz and 75% feldspar. A graphic granite of high silica content in coarse crystals. Essentially of plagioclase and quartz; also biotite, muscovite, lepidolite, etc. Formed by the final crystallization of the intrusive masses. &#147;Petuntze&#148;, &#147;Cornwall stone&#148; and &#147;Carolina stone&#148; are well-known types.
</note>
</notes>
<pictures>
<picture description="Pegmatite Stone" filename="pegmatite_stone.jpg"/>
</pictures>
</material>
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