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Soapstone
Soapstone

Trachyte
Trachyte



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Trachyte

Soapstone lan Trachyte Definition

1 Definition
1.1 definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
1.2 Sajarah
1.2.1 asal
usa
dingerteni
1.2.2 panemu
Dingertèni
Alexandre brongniart Rene Hauy
1.3 Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka trakhus greek atos 'utawa roughness trakhutēs
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, rock alus
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
ora ditrapake
vulkanik
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque