Properties of Obsidian lan Quartzite

Obsidian

Quartzite

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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

6-7

grained medium

ora rata, splintery utawa conchoidal

putih

kurang keropos

vitreous

115.00 n / mm ²

indiscernible

1.9

2.6-2.8

transparent kanggo Translucent

2.32-2.42 g / cm ³

0.75 kj / kg k

tahan panas, impact tahan, meksa tahan, nyandhang tahan

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