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
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
Sajarah
asal
Ethiopia
france
panemu
obsius
Alexandre brongniart
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
-
kategori liyane
rock opaque
rock grained coarse, rock opaque
tektur
glassy
clastic
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
coklat semu abang
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
atos lan kurang
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes, interior
Efesus njaba
Taman hiasan
mapeng watu, bangunan kantor
Efesus arsitektur liyane
-
whetstones
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
Pabrik semen, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko, produksi kaca lan keramik, mentahan materi kanggo Pabrik mortir
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, reca, figurines cilik
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
ing lumahing, kondisioner lemah, sumber magnesia (MgO), nisan
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Arkose
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
kasedhiya ing persil saka werna lan patron, umume atos kanggo tutul, 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.
Wangun arkose rock saka udan saka-sugih Feldspar rock igneous utawa metamorphic, paling umum rocks granitic, kang utamané saka quartz lan Feldspar.
komposisi
isi Mineral
-
kalsit, lempung, mineral lempung, Feldspar, micas, quartz
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, kalium oxide, MgO, sodium oxide, silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
-
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 gisik, erosi Glacier, banyu erosi, angin erosi
fisik
atose
5-5.56-7
1
7
👆🏻
ukuran gandum
-
coarse grained
rengat
conchoidal
conchoidal
tilas
putih
putih
porosity
banget kurang keropos
Highly keropos
luster
vitreous
kurang
kekuatan compressive
0.15 n / mm 280.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
-
tartamtu gravitasi
2.6-2.70
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 3-9999 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.78 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
africa
Kenya
Namibia, Nigeria, South Africa
europe
greece, hungary, iceland, italy, turkey
austria, denmark, germany, great Britain, Aku tresna sampeyan;, norway, Poland, sweden, Swiss, united kingdom
wong
-
Greenland
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
New South Wales, New Zealand