definisi
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
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
Sajarah
asal
wyoming, usa
Ethiopia
panemu
iddings
obsius
Etimologi
saka panggonan asal disebut shoshone riverin wyoming
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock opaque
tektur
porphyritic
glassy
werna
brown- ireng, coklat peteng
ireng, biru, coklat, ijo, orange, abang, tan, kuning
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
kurang
mengilap
arsitektur
Efesus interior
aggregates hiasan, homes, interior
aggregates hiasan, interior
Efesus njaba
minangka watu bangunan, minangka madhep watu
Taman hiasan
Efesus arsitektur liyane
curbing
-
industri
industri construction
minangka watu ukuran, cobblestones, alur trek ballast, roadstone
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
industri medical
-
bedhah
Efesus jaman
reca
artefak, perhiasan
Panggunaan sanès
komersial
pelaku kuburan, nggawe kriya
nggawe kriya, mirror, digunakake ing akuarium
jinis
Batu vulkanik penengah
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
fitur
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen
tatanan
shoshonite 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.
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
komposisi
isi Mineral
pyroxene
-
senyawa isi
aluminium oxide, wesi (iii) oxide, kalium oxide, sodium oxide, 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
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 Glacier
fisik
atose
65-5.5
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
-
rengat
ora rata
conchoidal
tilas
putih kanggo werna abu-abu
putih
porosity
kurang keropos
banget kurang keropos
luster
kurang
vitreous
kekuatan compressive
175.00 n / mm 20.15 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
1.6
-
tartamtu gravitasi
2.982.6-2.7
0
8.4
👆🏻
transparan
opaque
tembus
Kapadhetan
2.9-3 g / cm 32.6 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.79 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, meksa tahan
tahan panas, impact tahan
celengan ing bawana wétan
asia
India, Russia
Afghanistan, Indonesia, Japan, Russia
africa
South Africa
Kenya
europe
iceland
greece, hungary, iceland, italy, turkey
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, USA
Canada, Mexico, USA
kidul amerika
Brazil
Argentina, Chile, Ecuador, Peru
celengan ing Oseania bawana
australia
-
New Zealand