Hi All,
Here is a table of weight factors for Trianz, it is quite old and I do not know where it came form now but I find it is fairly close to actual weight density of the varius commodities.
Clay & Gravel 0.85
Coal, Anthracite 0.74
Coal Bituminous 0.74
Rock & Earth 50/50 0.75
Earth Excavated 0.79
Granite Broken 0.61
Gypsum 0.59
Iron Ore 0.85
Sand 0.89
Sand & Clay 0.79
Sand & Gravel 0.89
Sandstone 0.60
Shale 0.75
Slag Broken 0.60
Stone Crushed 0.60
Taconite 0.58
Top Soil 0.70
Rock Broken 0.67
water 1.00
Cheers,
Bill69