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Essexite
Essexite

Anthracite
Anthracite



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Essexite
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Anthracite

Essexite lan Anthracite Definition

1 Definition
1.1 definisi
essexite kang uga dikenal minangka nepheline monzogabbro, iku werna abu-abu utawa ireng holocrystalline plutonic rock iigneous peteng
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
1.2 Sajarah
1.2.1 asal
usa
pennsylvania, kita
1.2.2 panemu
Dingertèni
Dingertèni
1.3 Etimologi
saka dhaerah ing Essex County, massachusetts, kita
saka anthrakites greek, saka anthrax, anthrak meaning coal
1.4 kelas
batuan beku
rocks metamorphic
1.4.1 sub-kelas
awet rock, hard rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
plutonic
ora ditrapake
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque