Obsidian

Felsite

Obsidian vs Felsite

Obsidian

Felsite

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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

felsite punika rock vulkanik grained banget nggoleki sing bisa utawa ora bisa ngemot kristal luwih gedhe lan cahya colored rock sing biasane mbutuhake ujian petrographic utawa analisis kimia kanggo definisi luwih tepat

1.2 Sajarah

1.2.1 asal

Ethiopia

dingerteni

1.2.2 panemu

obsius

Dingertèni

1.3 Etimologi

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

saka Feldspar english lan -ite

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock opaque

rock grained nggoleki, rock opaque

2 Tekstur

2.1 tektur

glassy

arborescent corak, vitreous

2.2 werna

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

2.3 pangopènan

kurang

2.4 kekiatan

awet

2.4.1 banyu tahan

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2.4.2 ngeruk tahan

✔ ✘

2.4.3 rereged tahan

✔ ✘

2.4.4 angin tahan

✔ ✘

2.4.5 asam tahan

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2.5 katon

mengilap

dilapisi, banded, veined saha

3 Kagunaane

3.1 arsitektur

3.1.1 Efesus interior

aggregates hiasan, interior

aggregates hiasan, jogan, interior

3.1.2 Efesus njaba

Taman hiasan

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

3.2.2 industri medical

bedhah

3.3 Efesus jaman

artefak, perhiasan

artefak

3.4 Panggunaan sanès

3.4.1 komersial

nggawe kriya, mirror, digunakake ing akuarium

mirror, perhiasan

4 Jinis

4.1 jinis

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

Ora Kasadhiya

4.2 fitur

pamblokiran negativity, mbantu kanggo ngreksa marang depresi

kasedhiya ing persil saka werna lan patron, clasts Gamelan kanggo tutul, splintery, rock grained banget nggoleki

4.3 pinunjul arkeologi

4.3.1 monumen

durung digunakake

4.3.2 monumen misuwur

ora ditrapake

4.3.3 reca

durung digunakake

4.3.4 patung misuwur

ora ditrapake

4.3.5 Pictographs

used

4.3.6 petroglyphs

used

4.3.7 figurines

durung digunakake

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.

felsite 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

Feldspar, oksida wesi

5.2.2 senyawa isi

aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide

5.3 transformasi

5.3.1 metamorphism

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5.3.2 jinis metamorphism

metamorphism kakubur, metamorphism cataclastic, kontak metamorphism

metamorphism kakubur, kontak metamorphism, impact metamorphism, metamorphism regional