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
pantellerite punika rhyolite peralkaline. wis wesi luwih lan komposisi aluminium ngisor saka comendite
Sajarah
asal
Ethiopia
Selat saka sisilia
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka Pantelleria, pulo vulkanik ing selat saka sisilia
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock opaque
rock grained nggoleki, rock opaque
tektur
glassy
eutaxitic
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
greenish peteng - werna abu-abu
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
dilapisi lan foliated
arsitektur
Efesus interior
aggregates hiasan, interior
-
Efesus njaba
Taman hiasan
-
Efesus arsitektur liyane
-
-
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
-
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, reca
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
nggawe kriya
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
ignimbrite pantelleritic
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
isi fe dhuwur
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.
pantellerite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
komposisi
isi Mineral
-
amphibole, Feldspar, ilmenite
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
al, fe
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
fisik
atose
5-5.56-7
1
7
👆🏻
ukuran gandum
-
grained nggoleki
rengat
conchoidal
sub-conchoidal
tilas
putih
-
porosity
banget kurang keropos
kurang keropos
luster
vitreous
earthy
kekuatan compressive
0.15 n / mm 2210.00 n / mm 2
0.15
450
👆🏻
cleavage
-
conchoidal
kateguhan
-
2
tartamtu gravitasi
2.6-2.7-9999
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 k0.84 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
China, India
africa
Kenya
Angola, Egypt, Madagascar, Namibia, Nigeria
europe
greece, hungary, iceland, italy, turkey
germany, iceland, ireland, italy, spain, united kingdom
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Brazil, Colombia, Ecuador
celengan ing Oseania bawana
australia
New Zealand
Central Australia, Queensland, Western Australia