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
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
Sajarah
asal
Ethiopia
lor amerika
panemu
obsius
Ferdinand von Richthofen
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
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 coarse, rock opaque
tektur
glassy
aphanitic, glassy, porphyritic
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
grey, putih, cahya ireng
pangopènan
kurang
liyane
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
banded
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes, Hotel, interior, pawon
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu, mapeng watu, bangunan kantor
Efesus arsitektur liyane
-
-
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
arrowheads, minangka watu ukuran, omah bangunan utawa tembok, kanthi jumlah ongko construction, alat nglereni, kanggo dalan kanthi jumlah ongko, lading
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
gemstone, menang bench laboratorium, perhiasan
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
rocks pumice, rocks obsidian, rocks perlite, rocks porphyritic.
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
ngandhut asam ing alam, kasedhiya ing persil saka werna
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.
rhyolite punika rock extrusive felsic lan amarga isi silika dhuwur, rhyolite lahar banget viscous lan padha vulkanik granit.
komposisi
isi Mineral
-
biotite, Feldspar, hornblade, plagioclase, pyroxene, quartz
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
ca, fe, kalium oxide, mg, kalium, silikon dioksida, sodium
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, 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 segara, banyu erosi, angin erosi
fisik
atose
5-5.56-7
1
7
👆🏻
ukuran gandum
-
gedhe lan coarse grained
rengat
conchoidal
sub-conchoidal
tilas
putih
-
porosity
banget kurang keropos
Highly keropos
luster
vitreous
earthy
kekuatan compressive
0.15 n / mm 2140.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
2
tartamtu gravitasi
2.6-2.72.65-2.67
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 32.4-2.6 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.71 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, nyandhang tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
China, India
africa
Kenya
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
europe
greece, hungary, iceland, italy, turkey
germany, iceland, ireland, italy, spain
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
celengan ing Oseania bawana
australia
New Zealand
New Zealand, Queensland, Western Australia