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
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
Sajarah
asal
Ethiopia
-
panemu
obsius
Alexandre brongniart Rene Hauy
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka trakhus greek atos 'utawa roughness trakhutēs
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, greenish peteng - werna abu-abu, ijo, grey, cahya kanggo werna abu-abu peteng, putih
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
banded
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, jogan, 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 watu ukuran, omah bangunan utawa tembok, Pabrik semen, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko, landscaping, 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
pelaku kuburan, nggawe kriya
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Batu vulkanik Felsic
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
kasedhiya ing persil saka werna lan patron, iku salah siji saka rock tuwa, global matrik
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.
trachyte iku sawijining rock vulkanik igneous karo aphanitic kanggo tektur porphyritic. iku padha karo vulkanik saka syenite rock lan formulir minangka asil diferensiasi magmatic.
komposisi
isi Mineral
-
augite, biotite, Feldspar, hornblade, plagioclase, quartz
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
kalium oxide, sodium oxide, silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism cataclastic, kontak metamorphism, 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 gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
fisik
atose
5-5.56
1
7
👆🏻
ukuran gandum
-
grained nggoleki
rengat
conchoidal
-
tilas
putih
putih
porosity
banget kurang keropos
kurang keropos
luster
vitreous
metallic
kekuatan compressive
0.15 n / mm 2150.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
-
tartamtu gravitasi
2.6-2.72.7
0
8.4
👆🏻
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 32.43-2.45 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.84 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, impact tahan, nyandhang tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam
africa
Kenya
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
europe
greece, hungary, iceland, italy, turkey
bulgaria, england, germany, norway, romania, Swiss
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Brazil, Chile
celengan ing Oseania bawana
australia
New Zealand
New Zealand, Queensland, South Australia, Western Australia