This table of various minerals (ore, rock types) listed by their tested SG specific gravity complements the BWi List found in earlier post.

 Source 1Source 2Source 3Source 5
Avg Specific GravityS.GS.GS.GS.G
Alumina
Andesite2.842.84
Barite4.54.5
Basalt2.912.912.91
Bauxite2.22.42.22.20
Cement clinker3.153.13.153.15
Cement (raw)2.672.07
Chrome ore
Clay2.512.23
Clay calcined1.63
Coal1.61.41.63
Coke1.311.51.311.31
Coke Petroleum1.7
Copper - nickel ore
Copper ore3.023.03.02
Copper - zinc ore
Corundum
Diorite2.822.82
Dolomite2.742.742.74
Emery3.483.48
Fluorspar2.593.0
Feldspar2.592.59
Ferro-chrome6.666.66
Ferro - magnesium
Ferro-manganese6.326.32
Ferro-silicon4.414.414.41
Flint2.652.652.65
Fluorspar3.013.013.01
Gabbro2.832.83
Glass2.582.582.53
Glass2.58
Geneiss2.712.71
Gold ore2.812.92.81
Granite2.662.662.66
Graphite1.751.75
Gravel2.662.66
Gypsum rock2.692.692.69
Iron ore, unidentified3.6
Hematite3.553.83.533.55
Conc
Specularite3.283.28
Limonite
Magnetite3.883.93.88
Conc
Tailings
Siderite
Hematite - Oolitic3.523.52
Taconite3.543.53.54
Conc
Lead ore3.453.43.353.45
Lead-zinc ore3.543.43.36
Lignite (Coal)1.4
Limestone2.652.72.662.65
Limestone burnt
Magnesite3.063.063.06
Manganese ore3.533.53
Magnetite3.88
Malartic
Marble
Marl
Molybdenum ore2.72.72.7
Matte
Nickel ore3.283.33.28
Oil shale1.841.84
Oyster Shells
Phosphate fertilizer
Phosphate rock2.742.72.742.71
Potash ore2.42.42.40
Pyrite ore4.064.064.06
Pyrrhotite ore4.044.04
Quartz2.652.652.65
Quartzite2.682.682.68
Rutile ore2.82.82.80
Sand, Silica
Sand stone
Shale2.632.63
Silica sand2.672.672.67
Silicon carbide2.752.752.75
Silica rock
Silver ore2.7
Slag2.832.742.85
Slag iron blast furnace2.39
Slate2.572.572.57
Sodium silicate2.12.1
Spodumene ore2.792.79
Steel mill nerup
Syenite2.732.73
Tale
Tin ore3.953.93.95
Titanium ore4.014.24.01
Tungsten ore
Trap rock2.872.87
Uranium Ore2.7
Zinc ore3.643.73.643.64
Zircon Sand

Source 1: Table of materials reported by Fred Bond
Source 2: Outokumpu, The science of comminution
Source 3: Equipment and pipelines
Source 4: Tenova Bateman mills (AG/SAG, Rod, Ball Mills)
Source 5: Doering international GmbH www.cylpebs.com
Source 6: SME handbook of mineral processing, N.L Weiss Editor, NY 1985