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Albite is a
plagioclase feldspar mineral. It is the
sodium endmember of the
plagioclase solid solution series. It
represents a
plagioclase with less than...
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Friedrich Christian Hessel (1796–1872) in 1826. The
series ranges from
albite to
anorthite endmembers (with
respective compositions NaAlSi3O8 to CaAl2Si2O8)...
- (K-spar)
endmember KAlSi3O8
albite endmember NaAlSi3O8
anorthite endmember CaAl2Si2O8
Solid solutions between K-feldspar and
albite are
called alkali feldspar...
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chlorite +
albite +
quartz pumpellyite +
chlorite +
epidote +
albite +
quartz pumpellyite +
epidote +
stilpnomelane +
muscovite +
albite +
quartz In...
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feldspar (near
albite, NaAlSi3O8, in composition). Typically, the host
grain is
orthoclase or microcline, and the
lamellae are
albite. If
sodic feldspar...
- of
orthoclase and
albite within the stone. The
diffracted light varies from
white to blue,
depending on the
thinness of the
albite layers. More technically...
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lattice i.e. niobium,
zirconium Albitite, from
replacement of
plagioclase by
albite (albitization)
Effects of
metasomatism in
mantle peridotite can be either...
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intermediate member of the high
albite –
sanidine alkali feldspar solid solution series.
Intermediate members of this series, high
albite,
anorthoclase and high...
- hornblende/actinolite +/-
albite +/-
biotite +/-
quartz +/-
garnet (calcite +/- wollastonite) Pelite; quartz,
orthoclase +/-
albite, +/-
biotite +/- actinolite...
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solid solution with
albite, the
sodium endmember (NaAlSi3O8), of plagioclase.
While slowly cooling within the earth, sodium-rich
albite lamellae form by...