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
tatanan wesi banded Unit khusu saka rock sedimentary sing meh tansah umur Precambrian
Sajarah
asal
Ethiopia
western australia, Minnesota
panemu
obsius
Johann Gottlob Lehmann
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka proses tatanan
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
-
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
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
dilapisi, banded, veined saha
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes
Efesus njaba
Taman hiasan
mapeng watu, bangunan kantor
Efesus arsitektur liyane
-
curbing, whetstones
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, digunakake kanggo jogan, treads tangga, wates lan sills jendhela.
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak
Panggunaan sanès
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
algoma-jinis, lake superior-jinis, unggul-jinis lan taconite
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
iku salah siji saka rock tuwa
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
saiki
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.
Lapisan wesi banded dibentuk ing banyu segara nalika oksigen dirilis dening cyano-bakteri fotosintesis. Oksigen banjur gabung karo wesi sing larut ing samudra kanggo mbentuk oksida wesi sing ora larut, sing ngendhaleni, mbentuk lapisan tipis formasi wesi ing dasar segara.
komposisi
isi Mineral
-
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
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
-
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan kimia
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi gisik, angin erosi
fisik
atose
5-5.55.5-6
1
7
👆🏻
ukuran gandum
-
gedhe lan coarse grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
tilas
putih
putih
porosity
banget kurang keropos
Highly keropos
luster
vitreous
earthy
kekuatan compressive
0.15 n / mm 2220.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
1.5
tartamtu gravitasi
2.6-2.75.0-5.3
0
8.4
👆🏻
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 3-9999 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k3.20 kj / kg k
0.14
3.2
👆🏻
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
-
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