 | | Book | | within one of the two Si groups). The structures of albite and anorthite are also presented, with the observation...observation that the c-axis of anorthite is twice that of albite; this effect was ascribed to the.different environments...c-axis) of anorthite or anorthitic feldspar and albite or albitic material, each structural unit being...that, because of the change in Al:Si ratio from albite to anorthite (1:3 to I:1), a greater opportunity...counterparts of albite, NaAISi,Os, are: NaGaSi,0s —“gallium albite’’® NaAlGe,03 —“germanium albite”’ NaGaGe |
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