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They are usually dark in color, owing to the abundance of ferro-magnesian silicates, of high specific gravity and liable to decomposition. For these reasons they have been defined as a melanocrate series (rich in the dark minerals ); and they are often accompanied by a complementary leucocrate series (rich in the white minerals feldspar and ...
In mineralogy, an inclusion is any material trapped inside a mineral during its formation. In gemology , it is an object enclosed within a gemstone or reaching its surface from the interior. [ 1 ] According to James Hutton 's law of inclusions, fragments included in a host rock are older than the host rock itself.
The timing of mineral crystallization can be used to categorize diamond inclusions into three types: protogenetic, syngenetic, and epigenetic inclusions. [14] Minerals in the protogenetic inclusions were crystallized earlier than the diamond formation. The host diamond encapsulated pre-existing minerals during its crystallization.
Template: List of minerals. 1 language. ... Upload file; Special pages; Permanent link; Page information; Get shortened URL; Download QR code; Print/export Download ...
Quarry for the Salt Lake Temple with boulders and detached masses being worked by stone cutters. Quartz monzonite is an intrusive, felsic, igneous rock that has an approximately equal proportion of orthoclase and plagioclase feldspars.
[[Category:Mineral templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Mineral templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
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