Properties of Obsidian lan Tephrite

Obsidian

Tephrite

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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

6.5

medium kanggo nggoleki coarse grained

ora rata

bluish ireng

banget kurang keropos

subvitreous kanggo kurang

90.00 n / mm ²

crenulation lan mrembet

2.4

2.86

opaque

2.8-2.9 g / cm ³

0.92 kj / kg k

tahan panas, impact tahan

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