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Porphyry
Porphyry
☒

Tephrite
Tephrite
☒



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Porphyry
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Tephrite

Properties of Porphyry lan Tephrite

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

 
6-7
grained nggoleki
ora duwe aturan baku
putih
kurang keropos
kurang
150.00 n / mm 2
-
1.7
2.5-4
tembus kanggo opaque
2.5-2.52 g / cm 3
0.71 kj / kg k
tahan panas, impact tahan
 
6.5
medium kanggo nggoleki coarse grained
ora rata
bluish ireng
banget kurang keropos
subvitreous kanggo kurang
90.00 n / mm 2
crenulation lan mrembet
2.4
2.86
opaque
2.8-2.9 g / cm 3
0.92 kj / kg k
tahan panas, impact tahan