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
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
Sajarah
asal
Ethiopia
-
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
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 nggoleki, rock opaque
tektur
glassy
banded, atos
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
ireng, coklat, ijo, grey, abang, putih
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
glassy utawa pearly
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu, Taman hiasan, bangunan kantor
Efesus arsitektur liyane
-
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
arrowheads, kanthi jumlah ongko construction, alat nglereni, TCTerms tumbak
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
nggawe kriya, gemstone, ing pribadi geni-miwiti, perhiasan, ignite geni, Digunakake ana ing Firearms flintlock
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Flint, jasper, radiolarite, chert umum, chalcedony, agate, onyx, opal, magadi-jinis chert, porcelanite, Sinter siliceous
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
clasts Gamelan kanggo tutul, gampang pecah dadi lancip piring, tahan struktural dhuwur marang erosi lan iklim
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 chert nalika microcrystals silikon dioksida tuwuh ing endapan alus sing dadi watu gamping utawa kapur. tatanan chert bisa dadi salah siji saka asal kimia utawa biologi.
komposisi
isi Mineral
-
quartz, Silicon
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
-
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
-
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia
fisik
atose
5-5.56.5-7
1
7
👆🏻
ukuran gandum
-
banget nggoleki-grained
rengat
conchoidal
ora rata, splintery utawa conchoidal
tilas
putih
putih
porosity
banget kurang keropos
Highly keropos
luster
vitreous
waxy lan kurang
kekuatan compressive
0.15 n / mm 2450.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
1.5
tartamtu gravitasi
2.6-2.72.5-2.8
0
8.4
👆🏻
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 32.7 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.74 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, Japan, 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