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
banget nggoleki rock fault grained kang dumadi saka matrik glassy sing asring ngandhut inclusions pecahan wall-rock.
Sajarah
asal
Ethiopia
usa
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka pseudo- + tachylite, a rock glassy déning panas frictional ing bentet.
kelas
batuan beku
rocks metamorphic
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
quench
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
ireng, coklat, ijo, grey, pink, putih
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
kurang lan alus
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, entryways, interior
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu, Taman hiasan
Efesus arsitektur liyane
-
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, Pabrik semen, kanggo dalan kanthi jumlah ongko, nggawe semen alam
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
nggawe kriya, gemstone
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Batu kataklastik
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
tuan rumah rock kanggo timbal
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.
amarga kanggo ngganti ing kondisi lingkungan, rocks sing digawe panas lan pressurized jero nang permukaan bumi. pseudotachylite kawangun saka panas nemen disebabake magma utawa dening tabrakan kuat lan gesekan lempeng tektonik.
komposisi
isi Mineral
-
oksida wesi, pyroxene, quartz, stishovite, sulfides
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
karbon dioksida, silikon dioksida, belerang dioxide, belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak 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
-
fisik
atose
5-5.57
1
7
👆🏻
ukuran gandum
-
banget nggoleki-grained
rengat
conchoidal
ora rata
tilas
putih
cahya kanggo coklat peteng
porosity
banget kurang keropos
kurang keropos
luster
vitreous
vitreous
kekuatan compressive
0.15 n / mm 260.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
-
tartamtu gravitasi
2.6-2.72.46-2.86
0
8.4
👆🏻
transparan
tembus
transparent kanggo Translucent
Kapadhetan
2.6 g / cm 32.7-2.9 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
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
South Korea
africa
Kenya
Western Africa
europe
greece, hungary, iceland, italy, turkey
great Britain, Swiss
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
-
kidul amerika
Argentina, Chile, Ecuador, Peru
-
celengan ing Oseania bawana
australia
New Zealand
Central Australia, Western Australia