Craignurite
A rock subtype
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A local Hebridian name for a series of volcanic rocks occurring as cone sheets and ranging in composition from intermediate to acid, characterized by acicular and skeletal crystals of plagioclase, augite and hornblende in a felsic groundmass.
Unique Identifiers
Mindat ID:
51132
Long-form identifier:
mindat:1:1:51132:6
GUID
(UUID V4):
(UUID V4):
5eab06ef-c8b5-416e-b8d9-04279cf62d33
Classification of Craignurite
Mineralogy of Craignurite
Essential minerals - these are minerals that are required within the classification of this rock:
Amphibole > Hornblende | An informal name for dark green to black amphiboles, mostly ferro-hornblende or ... |
Feldspar > Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Pyroxene > Clinopyroxene > Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Internet Links for Craignurite
mindat.org URL:
https://www.mindat.org/min-51132.html
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References for Craignurite
Reference List: