Properties of Obsidian lan Slate

Obsidian

Slate

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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

3-4

banget nggoleki-grained

splintery

cahya kanggo coklat peteng

kurang keropos

kurang

30.00 n / mm ²

slaty

1.2

2.65-2.8

opaque

2.6-2.8 g / cm ³

0.76 kj / kg k

tahan panas, impact tahan, meksa tahan, nyandhang tahan

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