Properties of Obsidian lan Websterite

Obsidian

Websterite

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

5-5.5

conchoidal

putih

banget kurang keropos

vitreous

0.15 n / mm ²

2.6-2.7

tembus

2.6 g / cm ³

0.92 kj / kg k

tahan panas, impact tahan

coarse grained

ora rata

putih, greenish putih utawa abu-abu

kurang keropos

kurang kanggo vitreous kanggo submetallic

95.00 n / mm ²

3.2-3.5

opaque

3.1-3.6 g / cm ³

0.79 kj / kg k

impact tahan, meksa tahan, nyandhang tahan

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