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Bostonite

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A variety of fine-grained leucocratic alkali feldspar syenite consisting almost entirely of alkali feldspar and characterized by a bostonitic texture, i.e. irregular, subparallel laths of feldspar arranged in a divergent manner.


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Classification of BostoniteHide

Sub-divisions of BostoniteHide

Mineralogy of BostoniteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.

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