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
trachyandesite basaltic iku sawijining igneous rock extrusive kang jinis basalt rock lan kawangun dening cooling kanthi cepet saka lahar basaltic kapapar ing utawa cedhak lumahing bumi
Sajarah
asal
Ethiopia
-
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka Mineral isi lan senyawa lan hubungan karo basalt lan rock awujud
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock opaque
rock grained nggoleki, rock opaque
tektur
glassy
glassy, massive, porphyritic, scoriaceous, vesicular
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
ireng, coklat, cahya kanggo werna abu-abu peteng
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
kurang lan alus
arsitektur
Efesus interior
aggregates hiasan, interior
kothak lantai, homes, Hotel, pawon
Efesus njaba
Taman hiasan
minangka watu bangunan, mapeng watu, Taman hiasan, bangunan kantor
Efesus arsitektur liyane
-
curbing, whetstones
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, cobblestones, alur trek ballast, roadstone
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
reservoir lenga lan gas, tablet commemorative, nggawe kriya
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
basalt alkalin, boninite, basalt alumina dhuwur, agêng segara Pegunungan basalt (morb), basalt tholeiitic, basaltic trachyandesite, mugearite lan shoshonite
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
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.
basaltic trachandesite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung.
komposisi
isi Mineral
-
olivine, plagioclase, pyroxene
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
-
fisik
atose
5-5.56
1
7
👆🏻
ukuran gandum
-
grained nggoleki
rengat
conchoidal
conchoidal
tilas
putih
putih kanggo werna abu-abu
porosity
banget kurang keropos
kurang keropos
luster
vitreous
-
kekuatan compressive
0.15 n / mm 237.50 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
2.3
tartamtu gravitasi
2.6-2.72.8-3
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 32.9-3.1 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.84 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, Russia
africa
Kenya
South Africa
europe
greece, hungary, iceland, italy, turkey
iceland
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Brazil
celengan ing Oseania bawana
australia
New Zealand
-