definisi
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
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
Sajarah
asal
spain
Ethiopia
panemu
Ora dingerteni
obsius
Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock grained nggoleki, rock opaque
rock opaque
tektur
vesicular
glassy
werna
ibas, grey, ijo enom, grey cahya, pink, putih, grey yellow-
ireng, biru, coklat, ijo, orange, abang, tan, kuning
pangopènan
kurang
kurang
kekiatan
awet
awet
banyu tahan
✔
✘
✔
✘
ngeruk tahan
✔
✘
✔
✘
rereged tahan
✔
✘
✔
✘
angin tahan
✔
✘
✔
✘
asam tahan
✔
✘
✔
✘
katon
vesicular
mengilap
arsitektur
Efesus interior
aggregates hiasan, jogan, homes, interior
aggregates hiasan, interior
Efesus njaba
minangka watu bangunan, minangka madhep watu, Taman hiasan, mapeng watu
Taman hiasan
Efesus arsitektur liyane
curbing, wêdakakêna
-
industri
industri construction
minangka watu ukuran, Pabrik semen, kanggo dalan kanthi jumlah ongko, ing babagan seni lan horticulture, nggawe semen alam, produksi pamblokiran beton entheng
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
industri medical
Minangka abrasive ana ing produk exfoliating kulit, ing kimia lan pharmaceutical industri, obat-obatan lan kosmetik
bedhah
Efesus jaman
artefak
artefak, perhiasan
Panggunaan sanès
komersial
minangka materi doyo tarik ing dalan salju-dijamin, minangka abrasive ing erasers potlot, nggoleki abrasive digunakake kanggo polishing, Pabrik sabun, cairan pelarut, alami, plastik lan serat, digunakake ing akuarium
nggawe kriya, mirror, digunakake ing akuarium
jinis
scoria
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
fitur
tuan rumah rock kanggo timbal
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
pinunjul arkeologi
monumen
-
-
monumen misuwur
-
-
reca
-
-
patung misuwur
-
-
Pictographs
-
-
petroglyphs
-
-
figurines
-
-
fosil
absen
absen
tatanan
Wangun rock pumice nalika magma cools supaya cepet sing atom ing nyawiji sing ora bisa kanggo ngatur piyambak menyang struktur kristal.
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
komposisi
isi Mineral
oksida aluminium, kalsit, karbonat, oksida wesi, silika
-
senyawa isi
al, aluminium oxide, cao, karbon dioksida, MgO, silikon dioksida
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, impact metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi gisik, erosi Glacier
fisik
atose
65-5.5
1
7
👆🏻
ukuran gandum
grained nggoleki
-
rengat
planar
conchoidal
tilas
putih, greenish putih utawa abu-abu
putih
porosity
Highly keropos
banget kurang keropos
luster
earthy
vitreous
kekuatan compressive
51.20 n / mm 20.15 n / mm 2
0.15
450
👆🏻
cleavage
sampurna
-
kateguhan
3
-
tartamtu gravitasi
2.862.6-2.7
0
8.4
👆🏻
transparan
opaque
tembus
Kapadhetan
0.25-0.3 g / cm 32.6 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.87 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
impact tahan, meksa tahan
tahan panas, impact tahan
celengan ing bawana wétan
asia
Afghanistan, Indonesia, Japan, Russia
Afghanistan, Indonesia, Japan, Russia
africa
Ethiopia, Kenya, Tanzania
Kenya
europe
greece, hungary, iceland, italy, turkey
greece, hungary, iceland, italy, turkey
wong
-
-
celengan ing bawana kulon
lor amerika
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, Mexico, USA
kidul amerika
Argentina, Chile, Ecuador, Peru
Argentina, Chile, Ecuador, Peru
celengan ing Oseania bawana
australia
New Zealand, Western Australia
New Zealand