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
shonkinite punika, rock igneous langka peteng-colored lan intrusive kang ngandhut augite lan Feldspar orthoclase minangka konstituen dhasar sawijining
Sajarah
asal
Ethiopia
usa
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka jeneng shonkin sag kisaran ing gunung Highwood-lor tengah montana, kita
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
-
kategori liyane
rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
tektur
glassy
earthy
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
coklat, wudo, krim, ijo, grey, pink, putih
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
banded lan foilated
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, jogan, homes, interior
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu, Taman hiasan, mapeng watu
Efesus arsitektur liyane
-
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, Pabrik semen, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko, landscaping, nggawe semen alam, Pabrik Magnesium lan dolomite refractories
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen, reca
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
pelaku kuburan, nggawe kriya
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Batu igneous
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
kasedhiya ing persil saka werna lan patron, iku salah siji saka rock tuwa, global matrik
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen
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.
shonkinites sing kawangun amarga aktivitas igneous alkalin lan umumé kawangun ing wilayah dharatan crustal nglukis utawa ing zona subduksi cordilleran.
komposisi
isi Mineral
-
amphibole, biotite, Feldspar, hornblade, micas, muscovite utawa illite, plagioclase, pyroxene, 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, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
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 kimia, erosi gisik, erosi segara, banyu erosi
fisik
atose
5-5.55.5-6
1
7
👆🏻
ukuran gandum
-
medium kanggo nggoleki coarse grained
rengat
conchoidal
-
tilas
putih
putih
porosity
banget kurang keropos
kurang keropos
luster
vitreous
subvitreous kanggo kurang
kekuatan compressive
0.15 n / mm 2150.00 n / mm 2
0.15
450
👆🏻
cleavage
-
sampurna
kateguhan
-
-
tartamtu gravitasi
2.6-2.72.6-2.7
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 32.6-2.8 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, impact tahan, nyandhang tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
africa
Kenya
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
europe
greece, hungary, iceland, italy, turkey
bulgaria, england, germany, norway, romania, Swiss
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Brazil, Chile
celengan ing Oseania bawana
australia
New Zealand
New Zealand, Queensland, South Australia, Western Australia