Obsidian lan Nephelinite
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
nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).
Sajarah
asal
Ethiopia
brasil
panemu
obsius
Dingertèni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka néphéline french, saka Nefele greek
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
plutonic
kategori liyane
rock opaque
rock grained nggoleki, rock opaque
Tekstur
tektur
glassy
aphanitic
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
ireng, coklat, wernane, ijo, grey, putih
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
Yes
Yes
ngeruk tahan
Yes
Yes
rereged tahan
No
Yes
angin tahan
No
Yes
asam tahan
No
Yes
katon
mengilap
Balung
Kagunaane
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes, interior
Efesus njaba
Taman hiasan
minangka watu bangunan, minangka madhep watu, Taman hiasan, bangunan kantor, mapeng watu
Efesus arsitektur liyane
durung digunakake
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, Pabrik semen, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko
industri medical
bedhah
durung digunakake
Efesus jaman
artefak, perhiasan
artefak, monumen, reca, figurines cilik
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
nggawe kriya, kondisioner lemah, sumber magnesia (MgO)
Jinis
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
peralkaline nephelinite
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
tuan rumah rock kanggo timbal
pinunjul arkeologi
monumen
durung digunakake
used
monumen misuwur
ora ditrapake
data ora kasedhiya
reca
durung digunakake
used
patung misuwur
ora ditrapake
data ora kasedhiya
Pictographs
used
ora digunakake
petroglyphs
used
ora digunakake
figurines
durung digunakake
used
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.
nephelinite 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
ora kasedhiya
clinopyroxene, nepheline, plagioclase
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
ca, cao, karbon, cl, MgO
transformasi
metamorphism
Yes
Yes
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
kontak metamorphism
cuaca
Yes
Yes
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
Yes
Yes
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, banyu erosi, angin erosi
Properties
fisik
atose
5-5.5
6.5
ukuran gandum
ora ditrapake
grained nggoleki
rengat
conchoidal
flat
tilas
putih
putih
porosity
banget kurang keropos
kurang keropos
luster
vitreous
vitreous kanggo metallic
kekuatan compressive
0.15 n / mm 2
33
35.00 n / mm 2
29
cleavage
non-ana
cacat
kateguhan
ora kasedhiya
2.7
tartamtu gravitasi
2.6-2.7
2.4-2.9
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 3
2.5-3 g / cm 3
situs termal
kapasitas panas tartamtu
0.92 kj / kg k
10
0.88 kj / kg k
13
resistance
tahan panas, impact tahan
tahan panas
Cadangan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
Japan
africa
Kenya
Rwanda, Tanzania
europe
greece, hungary, iceland, italy, turkey
durung ketemu
wong
durung ketemu
pulo hawaii
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Colombia
celengan ing Oseania bawana
australia
New Zealand
Not Yet Found
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