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.
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
kategori liyane
rock opaque
rock grained nggoleki, rock opaque
tektur
glassy
alus banget
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
grey, putih
Efesus interior
aggregates hiasan, interior
aggregates hiasan, interior
Efesus njaba
Taman hiasan
Taman hiasan
Efesus arsitektur liyane
-
wêdakakêna
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
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
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.
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
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
jinis udan
udan biologi, udan kimia, udan mechanical
-
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
-
ukuran gandum
-
grained nggoleki
porosity
banget kurang keropos
kurang keropos
tartamtu gravitasi
2.6-2.7
2.86
Kapadhetan
2.6 g / cm 3
2.8-2.9 g / cm 3
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
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