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
talc karbonat nanging urutan rock utawa komposisi mineral ditemokaké ing rocks ultramafic metamorphic.
Sajarah
asal
Ethiopia
china, usa, wétan tengah
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka abad tengah latin, talcum
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kulawarga
group
vulkanik
-
kategori liyane
rock opaque
rock grained nggoleki, rock opaque
tektur
glassy
alus banget
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
grey, putih
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
alus
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, interior
Efesus njaba
Taman hiasan
Taman hiasan
Efesus arsitektur liyane
-
wêdakakêna
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
sumber kalsium
industri medical
bedhah
dijupuk minangka tambahan kanggo calcium utawa Magnesium
Efesus jaman
artefak, perhiasan
artefak, perhiasan, monumen, reca, figurines cilik
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
Manufaktur saka wêdakakêna baby
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
Batu sedimen
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
gampang pecah dadi lancip piring, umume atos kanggo tutul, 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.
amarga kanggo ngganti ing kondisi lingkungan, rocks sing digawe panas lan pressurized jero nang permukaan bumi. talc karbonat kawangun saka panas nemen disebabake magma utawa dening tabrakan kuat lan gesekan lempeng tektonik.
komposisi
isi Mineral
-
karbonat, chlorite, Magnesium
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
cao, karbon dioksida, MgO
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
-
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
-
fisik
atose
5-5.51-2
1
7
👆🏻
ukuran gandum
-
grained nggoleki
rengat
conchoidal
flat
tilas
putih
putih
porosity
banget kurang keropos
kurang keropos
luster
vitreous
pearly
kekuatan compressive
0.15 n / mm 2250.00 n / mm 2
0.15
450
👆🏻
cleavage
-
sampurna
kateguhan
-
1
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, nyandhang tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
-
africa
Kenya
Ethiopia, Ghana, Western Africa
europe
greece, hungary, iceland, italy, turkey
england
wong
-
-
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
Canada, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Uruguay
celengan ing Oseania bawana
australia
New Zealand
Central Australia, South Australia, Western Australia