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Picrite
Picrite

Anthracite
Anthracite



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Picrite
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Anthracite

Properties of Picrite lan Anthracite

Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

 
6.8
grained nggoleki
ora rata
putih, greenish putih utawa abu-abu
kurang keropos
subvitreous kanggo kurang
189.00 n / mm 2
-
2.1
2.75-2.92
opaque
1.5-2.5 g / cm 3
0.88 kj / kg k
tahan panas
 
1-1.5
medium kanggo nggoleki coarse grained
conchoidal
ireng
kurang keropos
mengilap
-
-
-
1.1-1.4
opaque
1.25-2.5 g / cm 3
1.32 kj / kg k
tahan panas, banyu tahan