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Adamellite
Adamellite

Phyllite
Phyllite



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Adamellite
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Phyllite
1 Definition
1.1 Definition
Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz
Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks
1.2 History
1.2.1 Origin
Italy
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From German adamellit and from Monte Adamello, a mountain in Italy, its locality
From Greek phullon leaf + -ite1
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock