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
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
asal
Ethiopia
western australia, Minnesota
panemu
obsius
Newton Horace Winchell
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka jeneng gunung taconic ing england anyar
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained coarse, rock opaque
tektur
glassy
banded, trellis
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
abang, coklat semu abang
katon
mengilap
dilapisi, banded, veined saha
Efesus interior
aggregates hiasan, interior
aggregates hiasan, entryways, jogan, homes, interior
Efesus njaba
Taman hiasan
minangka watu bangunan, Taman hiasan, mapeng watu
Efesus arsitektur liyane
durung digunakake
curbing
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, digunakake kanggo jogan, treads tangga, wates lan sills jendhela.
industri medical
bedhah
durung digunakake
Efesus jaman
artefak, perhiasan
artefak
komersial
nggawe kriya, mirror, digunakake ing akuarium
minangka Touchstone a, pelaku kuburan, nggawe kriya
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Ora Kasadhiya
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
iku salah siji saka rock tuwa
monumen
durung digunakake
used
monumen misuwur
ora ditrapake
data ora kasedhiya
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.
taconite jinis rock sedimentary kawangun nalika kali kaleksanane utawa transports bagéyan Broken rock kang mili. nalika kali tekan lake utawa segara, mbukak sawijining rocks diangkut settles utawa celengan ing ngisor segara utawa lake.
isi Mineral
ora kasedhiya
hematite, magnetite, quartz
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
fe, wesi (iii) oxide, silikon dioksida
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
ora ditrapake
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan mechanical
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi Glacier, banyu erosi, angin erosi
ukuran gandum
ora ditrapake
gedhe lan coarse grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
porosity
banget kurang keropos
Highly keropos
kekuatan compressive
ora Sumadhiya
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
2.6-2.7
5-5.3
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 3
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
africa
Kenya
Kenya, Morocco, South Africa, Tanzania
europe
greece, hungary, iceland, italy, turkey
austria, france, greece, italy, malta, Poland, portugal, Serbia, spain, sweden, united kingdom
wong
durung ketemu
Greenland, agêng-atlantic Pegunungan
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, Mexico, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Bolivia, Brazil
celengan ing Oseania bawana
australia
New Zealand
New South Wales, Queensland, South Australia, Western Australia