1 Definition
1.1 definisi
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Dingertèni
Ferdinand von Richthofen
1.3 Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque
2 Tekstur
2.1 tektur
vesicular
aphanitic, glassy, porphyritic
2.2 werna
ibas, wernane, grey, ijo enom, grey cahya, pink, putih, grey yellow-
grey, putih, cahya ireng
2.3 pangopènan
2.4 kekiatan
2.4.1 banyu tahan
2.4.2 ngeruk tahan
2.4.3 rereged tahan
2.4.4 angin tahan
2.4.5 asam tahan
2.5 katon
3 Kagunaane
3.1 arsitektur
3.1.1 Efesus interior
aggregates hiasan, jogan, homes, interior
aggregates hiasan, homes, Hotel, interior, pawon
3.1.2 Efesus njaba
minangka watu bangunan, minangka madhep watu, Taman hiasan, mapeng watu
minangka watu bangunan, minangka madhep watu, mapeng watu, bangunan kantor
3.1.3 Efesus arsitektur liyane
curbing, wêdakakêna
durung digunakake
3.2 industri
3.2.1 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, minangka watu ukuran, omah bangunan utawa tembok, kanthi jumlah ongko construction, alat nglereni, kanggo dalan kanthi jumlah ongko, lading
3.2.2 industri medical
Minangka abrasive ana ing produk exfoliating kulit, ing kimia lan pharmaceutical industri, obat-obatan lan kosmetik
durung digunakake
3.3 Efesus jaman
3.4 Panggunaan sanès
3.4.1 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
gemstone, menang bench laboratorium, perhiasan
4 Jinis
4.1 jinis
scoria
rocks pumice, rocks obsidian, rocks perlite, rocks porphyritic.
4.2 fitur
tuan rumah rock kanggo timbal
ngandhut asam ing alam, kasedhiya ing persil saka werna
4.3 pinunjul arkeologi
4.3.1 monumen
durung digunakake
durung digunakake
4.3.2 monumen misuwur
ora ditrapake
ora ditrapake
4.3.3 reca
durung digunakake
durung digunakake
4.3.4 patung misuwur
ora ditrapake
ora ditrapake
4.3.5 Pictographs
4.3.6 petroglyphs
4.3.7 figurines
durung digunakake
durung digunakake
4.4 fosil
5 Tatanan
5.1 tatanan
Wangun rock pumice nalika magma cools supaya cepet sing atom ing nyawiji sing ora bisa kanggo ngatur piyambak menyang struktur kristal.
rhyolite punika rock extrusive felsic lan amarga isi silika dhuwur, rhyolite lahar banget viscous lan padha vulkanik granit.
5.2 komposisi
5.2.1 isi Mineral
oksida aluminium, kalsit, karbonat, oksida wesi, silika
biotite, Feldspar, hornblade, plagioclase, pyroxene, quartz
5.2.2 senyawa isi
al, aluminium oxide, cao, karbon dioksida, MgO, silikon dioksida
ca, fe, kalium oxide, mg, kalium, silikon dioksida, sodium
5.3 transformasi
5.3.1 metamorphism
5.3.2 jinis metamorphism
metamorphism kakubur, impact metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
5.3.3 cuaca
5.3.4 jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
5.3.5 erosi
5.3.6 jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi segara, banyu erosi, angin erosi
6 Properties
6.1 fisik
6.1.1 atose
6.1.2 ukuran gandum
grained nggoleki
gedhe lan coarse grained
6.1.3 rengat
6.1.4 tilas
putih, greenish putih utawa abu-abu
wernane
6.1.5 porosity
Highly keropos
Highly keropos
6.1.6 luster
6.1.7 kekuatan compressive
51.20 n / mm 2140.00 n / mm 2
0.15
450
6.1.8 cleavage
6.1.9 kateguhan
6.1.10 tartamtu gravitasi
6.1.11 transparan
6.1.12 Kapadhetan
0.25-0.3 g / cm 32.4-2.6 g / cm 3
0
1400
6.2 situs termal
6.2.1 kapasitas panas tartamtu
0.87 kj / kg kora Sumadhiya
0.14
3.2
6.2.2 resistance
impact tahan, meksa tahan
tahan panas, nyandhang tahan
7 Cadangan
7.1 celengan ing bawana wétan
7.1.1 asia
Afghanistan, Indonesia, Japan, Russia
China, India
7.1.2 africa
Ethiopia, Kenya, Tanzania
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
7.1.3 europe
greece, hungary, iceland, italy, turkey
germany, iceland, ireland, italy, spain
7.1.4 wong
durung ketemu
durung ketemu
7.2 celengan ing bawana kulon
7.2.1 lor amerika
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, USA
7.2.2 kidul amerika
Argentina, Chile, Ecuador, Peru
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela
7.3 celengan ing Oseania bawana
7.3.1 australia
New Zealand, Western Australia
New Zealand, Queensland, Western Australia