- corundum-syenite
- Геология: корундовый сиенит
Универсальный англо-русский словарь. Академик.ру. 2011.
corundum-syenite
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Corundum — General Category Oxide mineral – Hematite group Chemical formula Alumi … Wikipedia
Litchfieldite — is a rare metamorphosed igneous rock. It is a variety of nepheline syenite and is composed of two near pure phases of feldspar, albite and microcline, with predominance of the first one, plus nepheline, sodalite, cancrinite and calcite. The mafic … Wikipedia
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Phonolite — Aegirine phonolite. Dark prismatic minerals are aegirine phenocrysts. Phonolite is a rare igneous, volcanic (extrusive) rock of intermediate (between felsic and mafic) composition, with aphanitic to porphyritic texture. The name phonolite comes… … Wikipedia
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Industrial minerals — are geological materials which are mined for their commercial value, which are not fuel (fuel minerals or mineral fuels) and are not sources of metals (metallic minerals).They are used in their natural state or after beneficiation either as raw… … Wikipedia
