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A variety of glassy andesite composed of labradorite, sanidine, hypersthene (= enstatite) and augite in a base of glass containing potential quartz and feldspar.
Classification of BandaiteHide
Mineralogy of BandaiteHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Feldspar > Alkali Feldspar > Sanidine||K(AlSi3O8)|
|Feldspar > Plagioclase > Labradorite||(Ca,Na)[Al(Al,Si)Si2O8]|
|Glass||An amorphous, homogeneous material with a random liquid-like structure generally formed due to rapid cooling.|
|Pyroxene > Clinopyroxene > Augite||(CaxMgyFez)(Mgy1Fez1)Si2O6|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: