Properties of Tephrite lan Obsidian

Tephrite

Obsidian

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

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

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

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