Properties of Pumice lan Pegmatite

Pumice

Pegmatite

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

grained nggoleki

planar

putih, greenish putih utawa abu-abu

Highly keropos

earthy

51.20 n / mm ²

sampurna

2.86

opaque

0.25-0.3 g / cm ³

0.87 kj / kg k

impact tahan, meksa tahan

medium kanggo coarse grained

conchoidal

putih

kurang keropos

grainy, mutiyara lan vitreous

178.54 n / mm ²

sampurna

2.1

2.6-2.63

tembus kanggo opaque

2.6-2.65 g / cm ³

0.79 kj / kg k

tahan panas, impact tahan, meksa tahan

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