definisi
obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal
andesit punika rock vulkanik penengah peteng, nggoleki-grained, coklat utawa greyish kang umumé ditemokaké ing lahar
asal
Ethiopia
lor amerika
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka andes gunung, ngendi kang ketemu ing turah mbrawah
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock opaque
rock grained nggoleki, rock opaque
tektur
glassy
aphanitic kanggo porphyritic
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
bluish - werna abu-abu, grey, pink, kuning
katon
mengilap
kurang lan alus
Efesus interior
aggregates hiasan, interior
aggregates hiasan, kothak lantai, homes, interior, pawon
Efesus njaba
Taman hiasan
bangunan kantor, kothak gendheng
Efesus arsitektur liyane
durung digunakake
curbing
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
cobblestones, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko
industri medical
bedhah
durung digunakake
Efesus jaman
artefak, perhiasan
artefak, monumen, reca, figurines cilik
komersial
nggawe kriya, mirror, digunakake ing akuarium
tablet commemorative, nggawe kriya
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
icelandite
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
umume atos kanggo tutul, isi silika dhuwur, iku salah siji saka rock tuwa
monumen
durung digunakake
used
monumen misuwur
ora ditrapake
tengah bumi ing Ekuador
reca
durung digunakake
used
patung misuwur
ora ditrapake
data ora kasedhiya
Pictographs
used
ora digunakake
petroglyphs
used
ora digunakake
figurines
durung digunakake
used
tatanan
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
andesit punika rock igneous nggoleki-grained sing formulir nalika magma wis njeblug dhateng lumahing lan crystallized cepet.
isi Mineral
ora kasedhiya
amphibole, apatite, biotite, Feldspar, garnet, hornblade, ilmenite, magnetite, plagioclase, pyroxene, zirkon
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
silikon dioksida
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi Glacier
ukuran gandum
ora ditrapake
banget nggoleki-grained
rengat
conchoidal
ora rata
porosity
banget kurang keropos
kurang keropos
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
1.1
tartamtu gravitasi
2.6-2.7
2.5-2.8
Kapadhetan
2.6 g / cm 3
2.11-2.36 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
India, Indonesia, Japan, Nepal, South Korea
africa
Kenya
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
europe
greece, hungary, iceland, italy, turkey
austria, finland, germany, italy, romania, turkey, united kingdom
wong
durung ketemu
durung ketemu
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Mexico, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
celengan ing Oseania bawana
australia
New Zealand
New South Wales, New Zealand, Western Australia