Alkali-feldspar-trachyte
A rock classification type
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About Alkali-feldspar-trachyte
Unique Identifiers
Mindat ID:
48460
Long-form identifier:
mindat:1:1:48460:6
GUID
(UUID V4):
(UUID V4):
f53975d1-fcdc-40ac-acc9-d38954a81e05
Classification of Alkali-feldspar-trachyte
Alkali-feldspar-trachyte appears in field 6 in the QAPF diagram.
Mineralogy of Alkali-feldspar-trachyte
Essential minerals - these are minerals that are required within the classification of this rock:
| Feldspar > Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
| Feldspar > Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Internet Links for Alkali-feldspar-trachyte
mindat.org URL:
https://www.mindat.org/min-48460.html
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References for Alkali-feldspar-trachyte
Reference List:
Wyoming, USA