Obsidian lan Coquina
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
Coquina punika rock sedimentary sing dumadi salah siji Enèng sing lamur meh tanggung saka diangkut, abraded, lan mekanisme-diurutake pecahan saka meriam moluska, trilobites, brachiopods, utawa invertebrata liyane
Sajarah
asal
Ethiopia
bokor foreland european
panemu
obsius
Dingertèni
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka Concha (latin) + Coquina (spanish) + Keong (english) = couquina (pertengahan abad ka-19)
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kulawarga
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained coarse, rock opaque
Tekstur
tektur
glassy
clastic
werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
ibas, wudo, orange
pangopènan
kurang
liyane
kekiatan
awet
non-awet
banyu tahan
Yes
No
ngeruk tahan
Yes
No
rereged tahan
No
No
angin tahan
No
No
asam tahan
No
No
katon
mengilap
dilapisi, banded, veined saha
Kagunaane
arsitektur
Efesus interior
aggregates hiasan, interior
aggregates hiasan, homes, Hotel, interior
Efesus njaba
Taman hiasan
Taman hiasan, bangunan kantor
Efesus arsitektur liyane
durung digunakake
curbing
industri
industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
omah bangunan utawa tembok, kanthi jumlah ongko construction
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
Jinis
jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
ora Sumadhiya
fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
kasedhiya ing persil saka werna lan patron, iku salah siji saka rock tuwa
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
used
petroglyphs
used
used
figurines
durung digunakake
used
fosil
absen
saiki
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.
Coquina punika rock sedimentary kang kawangun nalika milyar seashell cilik kerang-kaya, disebut Coquina, utawa cockleshell sing die lan Empu sing setor, disarèkaké lan dadi menyang rock nalika meksa wis Applied.
komposisi
isi Mineral
ora kasedhiya
apatite, augite, bronzite, kalsit, chert, chlorite, mineral lempung, epidote, Feldspar, garnet, micas, muscovite utawa illite
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
cao, karbon dioksida, wesi (iii) oxide, MgO
transformasi
metamorphism
Yes
No
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
ora ditrapake
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 gisik, erosi segara, banyu erosi, angin erosi
Properties
fisik
atose
5-5.5
1-2
ukuran gandum
ora ditrapake
coarse grained
rengat
conchoidal
ora duwe aturan baku
tilas
putih
putih
porosity
banget kurang keropos
Highly keropos
luster
vitreous
kurang kanggo vitreous kanggo submetallic
kekuatan compressive
0.15 n / mm 2
33
ora Sumadhiya
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6-2.7
1.10-2.24
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 3
2.8-2.9 g / cm 3
situs termal
kapasitas panas tartamtu
0.92 kj / kg k
10
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan
Cadangan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
Not Yet Found
africa
Kenya
Not Yet Found
europe
greece, hungary, iceland, italy, turkey
united kingdom
wong
durung ketemu
durung ketemu
celengan ing bawana kulon
lor amerika
Canada, Mexico, USA
USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Not Yet Found
celengan ing Oseania bawana
australia
New Zealand
Not Yet Found
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