1 Definition
1.1 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
dacite punika rock igneous vulkanik kang rintermediate ing komposisi antarane awujud lan rhyolite
1.2 Sajarah
1.2.1 asal
Ethiopia
romania lan Moldova, europe
1.2.2 panemu
1.3 Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka Dacia, sawijining provinsi saka kekaisaran Romawi kang lay antarane Kali Danube lan Pagunungan Carpathian ngendi rock ing Pisanan
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock opaque
rock grained nggoleki, medium rock grained, rock opaque
2 Tekstur
2.1 tektur
glassy
aphanitic kanggo porphyritic
2.2 werna
ireng, biru, coklat, ijo, orange, abang, tan, kuning
bluish - werna abu-abu, coklat, grey, cahya kanggo werna abu-abu peteng
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, interior
aggregates hiasan, entryways, interior
3.1.2 Efesus njaba
Taman hiasan
minangka watu bangunan, mapeng watu, Taman hiasan
3.1.3 Efesus arsitektur liyane
durung digunakake
curbing
3.2 industri
3.2.1 industri construction
arrowheads, alat nglereni, lading, scrapers, TCTerms tumbak
minangka watu ukuran, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko, landscaping
3.2.2 industri medical
3.3 Efesus jaman
artefak, perhiasan
artefak
3.4 Panggunaan sanès
3.4.1 komersial
nggawe kriya, mirror, digunakake ing akuarium
tablet commemorative, nggawe kriya
4 Jinis
4.1 jinis
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
dacite footwall, hanging dacite wall, tuff lan biotite dacite
4.2 fitur
pamblokiran negativity, mbantu kanggo ngreksa marang depresi
tuan rumah rock kanggo timbal, iku salah siji saka rock tuwa
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
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
dacitic magma wis kawangun dening subduksi saka lemah ndhuwur enom laut ing piring Continental felsic nglukis. luwih, ing satunggalipun saperangan wis hydrothermally ngrubah minangka quartz lan sodium sing ditambahake.
5.2 komposisi
5.2.1 isi Mineral
ora kasedhiya
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
5.2.2 senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
ca, fe, kalium oxide, mg, kalium, silikon dioksida
5.3 transformasi
5.3.1 metamorphism
5.3.2 jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, metamorphism cataclastic
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 kimia
6 Properties
6.1 fisik
6.1.1 atose
6.1.2 ukuran gandum
ora ditrapake
medium kanggo nggoleki coarse grained
6.1.3 rengat
6.1.4 tilas
6.1.5 porosity
banget kurang keropos
kurang keropos
6.1.6 luster
vitreous
subvitreous kanggo kurang
6.1.7 kekuatan compressive
0.15 n / mm 2ora Sumadhiya
0.15
450
6.1.8 cleavage
6.1.9 kateguhan
ora kasedhiya
ora kasedhiya
6.1.10 tartamtu gravitasi
6.1.11 transparan
6.1.12 Kapadhetan
2.6 g / cm 32.77-2.771 g / cm 3
0
1400
6.2 situs termal
6.2.1 kapasitas panas tartamtu
0.92 kj / kg k0.92 kj / kg k
0.14
3.2
6.2.2 resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan
7 Cadangan
7.1 celengan ing bawana wétan
7.1.1 asia
Afghanistan, Indonesia, Japan, Russia
Not Yet Found
7.1.2 africa
7.1.3 europe
greece, hungary, iceland, italy, turkey
france, greece, romania, Scotland, spain
7.1.4 wong
durung ketemu
durung ketemu
7.2 celengan ing bawana kulon
7.2.1 lor amerika
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
New Zealand, South Australia, Western Australia