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
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
asal
Ethiopia
wyoming, usa
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka panggonan asal disebut shoshone riverin wyoming
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kategori liyane
rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
tektur
glassy
porphyritic
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
brown- ireng, coklat peteng
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes, interior
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu
Efesus arsitektur liyane
-
curbing
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, cobblestones, alur trek ballast, roadstone
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
reca
komersial
nggawe kriya, mirror, digunakake ing akuarium
pelaku kuburan, nggawe kriya
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Batu vulkanik penengah
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
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.
shoshonite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
aluminium oxide, wesi (iii) oxide, kalium oxide, sodium oxide, titanium dioxide
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
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
-
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
tilas
putih
putih kanggo werna abu-abu
porosity
banget kurang keropos
kurang keropos
tartamtu gravitasi
2.6-2.7
2.98
Kapadhetan
2.6 g / cm 3
2.9-3 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, meksa tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
India, Russia
africa
Kenya
South Africa
europe
greece, hungary, iceland, italy, turkey
iceland
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Brazil
celengan ing Oseania bawana