Definition
Origin
Discoverer
Etymology
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Other Categories
Rhomb-porphyry is a porphyritic igneous rock with abundant wedge or lens shaped anorthoclase or feldspar phenocrysts
From Latin term that means purple
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
An iron rich extrusive rock found as a member of the alkali basalt magma series
From the name of discoverer, Ben More
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock