Andesit vs Obsidian
Definition
definisi
andesit punika rock vulkanik penengah peteng, nggoleki-grained, coklat utawa greyish kang umumé ditemokaké ing lahar
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
Sajarah
asal
lor amerika
Ethiopia
panemu
Dingertèni
obsius
Etimologi
saka andes gunung, ngendi kang ketemu ing turah mbrawah
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained nggoleki, rock opaque
rock opaque
Tekstur
tektur
aphanitic kanggo porphyritic
glassy
werna
bluish - werna abu-abu, grey, pink, kuning
ireng, biru, coklat, ijo, orange, abang, tan, kuning
pangopènan
liyane
kurang
kekiatan
awet
awet
banyu tahan
No
Yes
ngeruk tahan
Yes
Yes
rereged tahan
Yes
No
angin tahan
No
No
asam tahan
Yes
No
katon
kurang lan alus
mengilap
Kagunaane
arsitektur
Efesus interior
aggregates hiasan, kothak lantai, homes, interior, pawon
aggregates hiasan, interior
Efesus njaba
bangunan kantor, kothak gendheng
Taman hiasan
Efesus arsitektur liyane
curbing
durung digunakake
industri
industri construction
cobblestones, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
industri medical
durung digunakake
bedhah
Efesus jaman
artefak, monumen, reca, figurines cilik
artefak, perhiasan
Panggunaan sanès
komersial
tablet commemorative, nggawe kriya
nggawe kriya, mirror, digunakake ing akuarium
Jinis
jinis
icelandite
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
fitur
umume atos kanggo tutul, isi silika dhuwur, iku salah siji saka rock tuwa
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
pinunjul arkeologi
monumen
used
durung digunakake
monumen misuwur
tengah bumi ing Ekuador
ora ditrapake
reca
used
durung digunakake
patung misuwur
data ora kasedhiya
ora ditrapake
Pictographs
ora digunakake
used
petroglyphs
ora digunakake
used
figurines
used
durung digunakake
fosil
absen
absen
Tatanan
tatanan
andesit punika rock igneous nggoleki-grained sing formulir nalika magma wis njeblug dhateng lumahing lan crystallized cepet.
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
komposisi
isi Mineral
amphibole, apatite, biotite, Feldspar, garnet, hornblade, ilmenite, magnetite, plagioclase, pyroxene, zirkon
ora kasedhiya
senyawa isi
silikon dioksida
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
Yes
Yes
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
cuaca
Yes
Yes
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
Yes
Yes
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi Glacier
Properties
fisik
atose
7
5-5.5
ukuran gandum
banget nggoleki-grained
ora ditrapake
rengat
ora rata
conchoidal
tilas
putih
putih
porosity
kurang keropos
banget kurang keropos
luster
vitreous
vitreous
kekuatan compressive
225.00 n / mm 2
7
0.15 n / mm 2
33
cleavage
ora kasedhiya
non-ana
kateguhan
1.1
ora kasedhiya
tartamtu gravitasi
2.5-2.8
2.6-2.7
transparan
opaque
tembus
Kapadhetan
2.11-2.36 g / cm 3
2.6 g / cm 3
situs termal
kapasitas panas tartamtu
2.39 kj / kg k
2
0.92 kj / kg k
10
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan
Cadangan
celengan ing bawana wétan
asia
India, Indonesia, Japan, Nepal, South Korea
Afghanistan, Indonesia, Japan, Russia
africa
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania
Kenya
europe
austria, finland, germany, italy, romania, turkey, united kingdom
greece, hungary, iceland, italy, turkey
wong
durung ketemu
durung ketemu
celengan ing bawana kulon
lor amerika
Mexico, USA
Canada, Mexico, USA
kidul amerika
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
Argentina, Chile, Ecuador, Peru
celengan ing Oseania bawana
australia
New South Wales, New Zealand, Western Australia
New Zealand
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