Obsidian lan Gneiss
Definition
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
gneiss jinis umum lan digunakake mbagekke saka rock kawangun dening pangolahan metamorphic regional dhuwur-bahan saka tatanan-ana wis sing padha Originally siji batuan beku utawa sedimentary
Sajarah
asal
Ethiopia
dingerteni
panemu
obsius
Dingertèni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka dhuwur german gneist tembung tengah (kanggo narik; supaya disebut amarga rock ing glitters)
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained coarse, medium rock grained, rock opaque
Tekstur
tektur
glassy
banded, foliated, platy
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
ireng, coklat, pink, abang, putih
pangopènan
kurang
liyane
kekiatan
awet
awet
banyu tahan
Yes
Yes
ngeruk tahan
Yes
Yes
rereged tahan
No
Yes
angin tahan
No
Yes
asam tahan
No
No
katon
mengilap
foliated
Kagunaane
arsitektur
Efesus interior
aggregates hiasan, interior
countertops, aggregates hiasan, jogan, interior
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu, Taman hiasan, mapeng watu
Efesus arsitektur liyane
durung digunakake
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran
industri medical
bedhah
durung digunakake
Efesus jaman
artefak, perhiasan
artefak
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
pelaku kuburan, perhiasan, nisan, digunakake ing akuarium
Jinis
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Augen gneiss, Henderson gneiss, gneiss lewisian, archean lan proterozoic gneiss.
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
umume atos kanggo tutul, iku salah siji saka rock tuwa
pinunjul arkeologi
monumen
durung digunakake
used
monumen misuwur
ora ditrapake
Candhi sun konark ing india, washington tugu, kita
reca
durung digunakake
durung digunakake
patung misuwur
ora ditrapake
ora ditrapake
Pictographs
used
ora digunakake
petroglyphs
used
ora digunakake
figurines
durung digunakake
durung digunakake
fosil
absen
absen
Tatanan
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.
gneiss punika bahan dhuwur metamorphic rock IE wis ngalami luwih Suhu lan tekanan saka Schist. iku kawangun dening metamorfosis saka wangun gneiss saka rock vulkanik, krikel utawa granitie.
komposisi
isi Mineral
ora kasedhiya
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, keda, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
Yes
Yes
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
impact metamorphism
cuaca
Yes
Yes
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan mechanical
erosi
Yes
Yes
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi segara
Properties
fisik
atose
5-5.5
7
ukuran gandum
ora ditrapake
medium kanggo coarse grained
rengat
conchoidal
ora duwe aturan baku
tilas
putih
putih
porosity
banget kurang keropos
banget kurang keropos
luster
vitreous
kurang
kekuatan compressive
0.15 n / mm 2
33
125.00 n / mm 2
17
cleavage
non-ana
miskin
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
2.6-2.7
2.5-2.7
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 3
2.6-2.9 g / cm 3
situs termal
kapasitas panas tartamtu
0.92 kj / kg k
10
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
Cadangan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia
africa
Kenya
Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo
europe
greece, hungary, iceland, italy, turkey
albania, austria, Bosnia-Herzegovina, finland, france, georgia, germany, hungary, italy, Kosovo, Monaco, norway, Poland, romania, Serbia, Slovakia, slovenia, Swiss, Ukraine, united kingdom
wong
durung ketemu
durung ketemu
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, Costa Rica, Cuba, Mexico, Panama, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela
celengan ing Oseania bawana
australia
New Zealand
New South Wales, New Zealand, Queensland, Victoria
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