Table 5. Specific Magnetic Susceptibility and Specific Gravity of Common Manganese Minerals and Gangue Minerals.

mineral	specific magnetization factor (K)	specific gravity
rhodochrosite	1.3–1.7	3.6–3.7
brown manganese ore	1.5	4.72–4.83
pyrolusite	0.34	4.7–5.0
manganite	1.01	4.2–4.33
psilomelane	0.3–0.6	4.7
manganese calcite	0.83–1.2	2.9
dolomite	0.34	2.85
quartz	0.003–0.13	2.65
apatite	0.05	3.18–3.21