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
rhomb-porphyry punika igneous rock porphyritic karo wedge KALUBÈRAN utawa lensa shaped anorthoclase utawa phenocrysts Feldspar
Sajarah
asal
Ethiopia
-
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka tembung latin sing tegese kain
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock opaque
rock grained nggoleki, rock opaque
tektur
glassy
aphanitic kanggo porphyritic
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
atos
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes, interior
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu, mapeng watu, Taman hiasan, bangunan kantor
Efesus arsitektur liyane
-
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka flux ing produksi wesi baja lan babi, minangka agen sintering ing industri baja kanggo proses biji wesi, minangka watu ukuran, Pabrik semen, kanggo dalan kanthi jumlah ongko, nggawe semen alam, Pabrik Magnesium lan dolomite refractories
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen, reca, figurines cilik
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
reservoir lenga lan gas, tambahan feed kanggo ternak, flux Metallurgical, kondisioner lemah, sumber magnesia (MgO)
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Batu igneous
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.
rhomb-porphyry 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
-
Feldspar alkali, biotite, plagioclase, pyroxene
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
cao, cl, MgO
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
impact 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, banyu erosi
fisik
atose
5-5.55-5.5
1
7
👆🏻
ukuran gandum
-
grained nggoleki
rengat
conchoidal
conchoidal
tilas
putih
putih
porosity
banget kurang keropos
banget kurang keropos
luster
vitreous
subvitreous kanggo kurang
kekuatan compressive
0.15 n / mm 2310.00 n / mm 2
0.15
450
👆🏻
cleavage
-
sampurna
kateguhan
-
2.7
tartamtu gravitasi
2.6-2.72.86
0
8.4
👆🏻
transparan
tembus
tembus
Kapadhetan
2.6 g / cm 32.8-2.9 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, meksa tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
-
africa
Kenya
-
europe
greece, hungary, iceland, italy, turkey
bulgaria
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
USA
kidul amerika
Argentina, Chile, Ecuador, Peru
-
celengan ing Oseania bawana
australia
New Zealand
-