Obsidian

Nephelinite

Obsidian lan Nephelinite

Obsidian

Nephelinite

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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

nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).

1.2 Sajarah

1.2.1 asal

Ethiopia

brasil

1.2.2 panemu

obsius

Dingertèni

1.3 Etimologi

saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

saka néphéline french, saka Nefele greek

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

awet rock, hard rock

1.5 kulawarga

1.5.1 group

vulkanik

plutonic

1.6 kategori liyane

rock opaque

rock grained nggoleki, rock opaque

2 Tekstur

2.1 tektur

glassy

aphanitic

2.2 werna

ireng, biru, coklat, ijo, orange, abang, tan, kuning

ireng, coklat, wernane, ijo, grey, putih

2.3 pangopènan

kurang

2.4 kekiatan

awet

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

mengilap

Balung

3 Kagunaane

3.1 arsitektur

3.1.1 Efesus interior

aggregates hiasan, interior

aggregates hiasan, homes, interior

3.1.2 Efesus njaba

Taman hiasan

minangka watu bangunan, minangka madhep watu, Taman hiasan, bangunan kantor, mapeng watu

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, Pabrik semen, kanthi jumlah ongko construction, kanggo dalan kanthi jumlah ongko

3.2.2 industri medical

bedhah

durung digunakake

3.3 Efesus jaman

artefak, perhiasan

artefak, monumen, reca, figurines cilik

3.4 Panggunaan sanès

3.4.1 komersial

nggawe kriya, mirror, digunakake ing akuarium

nggawe kriya, kondisioner lemah, sumber magnesia (MgO)

4 Jinis

4.1 jinis

mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian

peralkaline nephelinite

4.2 fitur

pamblokiran negativity, mbantu kanggo ngreksa marang depresi

tuan rumah rock kanggo timbal

4.3 pinunjul arkeologi

4.3.1 monumen

durung digunakake

used

4.3.2 monumen misuwur

ora ditrapake

data ora kasedhiya

4.3.3 reca

durung digunakake

used

4.3.4 patung misuwur

ora ditrapake

data ora kasedhiya

4.3.5 Pictographs

used

ora digunakake

4.3.6 petroglyphs

used

ora digunakake

4.3.7 figurines

durung digunakake

used

4.4 fosil

absen

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.

nephelinite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.

5.2 komposisi

5.2.1 isi Mineral

ora kasedhiya

clinopyroxene, nepheline, plagioclase

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, cao, karbon, cl, MgO

5.3 transformasi

5.3.1 metamorphism

✔ ✘

5.3.2 jinis metamorphism

metamorphism kakubur, metamorphism cataclastic, kontak metamorphism