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Sanidine
Sanidine

Anorthoclase
Anorthoclase



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Sanidine
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Anorthoclase

Sanidine and Anorthoclase Chemical Properties

1 Chemical
1.1 Formula
1.1.1 Chemical Formula
(K,Na)(Si,Al)4O8
(Na,K)AlSi3O8
1.1.2 Empirical Formula
K0.75Na0.25AlSi3O8
Na0.75K0.25AlSi3O8
1.2 Crystal Properties
1.2.1 Crystal System
Monoclinic
Triclinic
1.2.2 Space group
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Triclinic Pinacoidal H-M Symbol ( 1 ) Space Group: C 1
1.2.3 Crystal Habit
Tabular crystals, may be acicular
Short prismatic crystals; tabular, rhombic, flattened along [010]
1.2.4 Crystal Class
Prismatic (2/m)
Pinacoidal ( 1 )
1.2.5 Twinning
Carlsbad twinning common
Polysynthetic twinning produces a grid pattern on [100]
1.3 Molecular Weight
Chemical Proper..
274.30
Rank: N/A (Overall)
266.25
Rank: N/A (Overall)
Chemical Properties of Diamond

Sanidine and Anorthoclase Formula

Sanidine and Anorthoclase Chemical Properties gives us information about the mineral's chemical composition. A mineral is basically composed of various elements in varied proportions. These elements define how the mineral will behave when exposed to different conditions. These chemical properties also depend on the way the mineral atoms are bound in the mineral's crystal structure. On the basis of crystallography of minerals a chemical formula is designed for better interpretation of its structure. Sanidine and Anorthoclase Formula are of two types chemical and empirical. Formula of Sanidine is (K,Na)(Si,Al)4O8 and Anorthoclase is (Na,K)AlSi3O8 . The molecular weight of Sanidine is 274.30 and Anorthoclase is 266.25. The Atomic Structure of Sanidine properties of minerals gives us further information about a minerals atomic structure.

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