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
basanite punika rock basaltic ireng kang utamané ngandhut plagioclase, augite, olivine lan nepheline lan biyèné digunakake minangka Touchstone a
Sajarah
asal
Ethiopia
-
panemu
obsius
Ora dingerteni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka basanites latin + -ite
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
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, ijo, grey, abang, putih
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
mengilap
glassy utawa pearly
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes
Efesus njaba
Taman hiasan
minangka watu bangunan, Taman hiasan, bangunan kantor
Efesus arsitektur liyane
-
whetstones
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
arrowheads, kanthi jumlah ongko construction, alat nglereni, TCTerms tumbak
industri medical
bedhah
-
Efesus jaman
artefak, perhiasan
artefak, monumen
Panggunaan sanès
komersial
nggawe kriya, mirror, digunakake ing akuarium
minangka Touchstone a, nggawe kriya, gemstone, ing pribadi geni-miwiti, Pabrik pribadi, flux Metallurgical, perhiasan, ignite geni, Digunakake ana ing Firearms flintlock
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
nepheline-basanite, analcite-basanite lan leucite-basanite
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
clasts Gamelan kanggo tutul, gampang pecah dadi lancip piring, tahan struktural dhuwur marang erosi lan iklim, digunakake minangka Touchstone a
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.
basanite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung.
komposisi
isi Mineral
-
augite, Feldspar, ilmenite, olivine, plagioclase
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 kakubur, metamorphism cataclastic, kontak metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
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
5-5.57
1
7
👆🏻
ukuran gandum
-
grained nggoleki
rengat
conchoidal
ora rata, splintery utawa conchoidal
tilas
putih
putih
porosity
banget kurang keropos
Highly keropos
luster
vitreous
waxy lan kurang
kekuatan compressive
0.15 n / mm 2100.00 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
1.5
tartamtu gravitasi
2.6-2.72.5-2.8
0
8.4
👆🏻
transparan
tembus
tembus kanggo opaque
Kapadhetan
2.6 g / cm 32.7 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.74 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
-
africa
Kenya
Uganda
europe
greece, hungary, iceland, italy, turkey
germany, hungary, italy, spain
wong
-
Greenland, agêng-atlantic Pegunungan
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Bolivia, Brazil
celengan ing Oseania bawana
australia
New Zealand
New South Wales, New Zealand, Queensland, South Australia, Western Australia