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
Sajarah
asal
Ethiopia
lor amerika
panemu
obsius
Theodor von Gümbel
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
kulawarga
group
vulkanik
vulkanik
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
pangopènan
kurang
liyane
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
kurang lan alus
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, kothak lantai, homes, interior, pawon
Efesus njaba
Taman hiasan
bangunan kantor, kothak gendheng
Efesus arsitektur liyane
-
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
cobblestones, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen, reca, figurines cilik
Panggunaan sanès
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
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
tengah bumi ing Ekuador
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen
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.
komposisi
isi Mineral
-
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
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi Glacier
fisik
atose
5-5.57
1
7
👆🏻
ukuran gandum
-
banget nggoleki-grained
rengat
conchoidal
ora rata
tilas
putih
putih
porosity
banget kurang keropos
kurang keropos
luster
vitreous
vitreous
kekuatan compressive
0.15 n / mm 2225.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
1.1
tartamtu gravitasi
2.6-2.72.5-2.8
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 32.11-2.36 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k2.39 kj / kg k
0.14
3.2
👆🏻
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
-
-
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