Properties of Obsidian lan Migmatite

Obsidian

Migmatite

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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

5.5-6.5

medium kanggo nggoleki coarse grained

ora duwe aturan baku

putih

banget kurang keropos

kurang kanggo mutiyara kanggo subvitreous

120.00 n / mm ²

1.2

2.65-2.75

opaque

-9999 g / cm ³

0.79 kj / kg k

tahan panas, meksa tahan

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