Properties of Obsidian lan Dacite

Obsidian

Dacite

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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

2-2.25

medium kanggo nggoleki coarse grained

conchoidal

putih

kurang keropos

subvitreous kanggo kurang

70.00 n / mm ²

sampurna

2.86-2.87

tembus

2.77-2.771 g / cm ³

0.92 kj / kg k

tahan panas, impact tahan, meksa tahan, nyandhang tahan

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