Egyptian building stones
hardness (MOH)
|
weight* (kg/l)
|
compressive strength (kg/qcm)
|
strokes until destruction
(DIN 52107) |
|
Dense limestone
|
4 ?
|
2.65-2.85
|
800-1800
|
8-10
|
Porous limestone
|
1.7-2.6
|
200-900
|
-
|
|
Calcareous sandstone
|
||||
Nubian sandstone
|
-8
|
2.0-2.65
|
300-1800
|
5-10
|
Quartzite
|
6-8
|
2.6-2.8
|
1200-2000
|
8-10
|
Alabaster (calcite)
|
2-3
|
2.7
|
||
Granite
|
6-8
|
2.6-3.2
|
1600-2400
|
10-12
|
Aswan granite
|
2.679
|
|||
Syenite
|
2.6-2.8
|
|||
Diorite
|
5-6
|
2.75-2.87
|
1700-3000
|
10-15
|
Basalt
|
6-8
|
2.8-3.3
|
2500-4000
|
12-17
|
Dolerite
|
2.93-3.05
|
* Specific gravity
after: Arnold 1991: 28, table 2.1
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