Definition
Origin
Discoverer
Etymology
Class
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Other Categories
Mugearite is a type of oligoclase bearing basalt, also comprising of olivine, apatite, and opaque oxides
Durable Rock, Medium Hardness Rock
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock