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
picrite iku macem-macem dhuwur-Magnesium basalt olivine sing sugih banget ing olivine Mineral
Sajarah
asal
Ethiopia
pulo hawaii
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka pikros greek pait + -ite, abad ka-19
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
earthy, atos
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
ireng, coklat, ijo, grey, pink, putih, kuning
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
atos saha
arsitektur
Efesus interior
aggregates hiasan, interior
countertops, aggregates hiasan, 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 agen sintering ing industri baja kanggo proses biji wesi, Pabrik semen, kanggo dalan kanthi jumlah ongko, Pabrik Magnesium lan dolomite refractories, roadstone, digunakake kanggo jogan, treads tangga, wates lan sills jendhela.
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen, reca
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
tambahan feed kanggo ternak, minangka waja rock kanggo tembok segara, flux Metallurgical, Pottery, sumber magnesia (MgO)
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
oceanite
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.
picrite punika nggoleki-grained, hard rock 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
-
biotite, olivine, plagioclase, pyrrhotite
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
al, cao, karbon dioksida, mg, MgO
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
fisik
atose
5-5.56.8
1
7
👆🏻
ukuran gandum
-
grained nggoleki
rengat
conchoidal
ora rata
tilas
putih
putih, greenish putih utawa abu-abu
porosity
banget kurang keropos
kurang keropos
luster
vitreous
subvitreous kanggo kurang
kekuatan compressive
0.15 n / mm 2189.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
2.1
tartamtu gravitasi
2.6-2.72.75-2.92
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 31.5-2.5 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.88 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
India, Russia
africa
Kenya
South Africa
europe
greece, hungary, iceland, italy, turkey
iceland
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Brazil
celengan ing Oseania bawana
australia
New Zealand
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