Birimba, №321, B.P40 Rumonge Burundi
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                            Burundi 
 
            | Appearance | Reddish-brown to yellowish-brown | 
| Density | 2.4 to 2.9 g/cm³ | 
| Hardness | 1 to 3 on the Mohs scale | 
| Moisture Content | 10 to 15% | 
| Chemical Composition | Mainly Al2O3 (Aluminum Oxide), Fe2O3 (Iron Oxide), SiO2 (Silica) | 
| Color | Ranges from reddish-brown to grayish-white | 
| Grain Size | Fine to coarse grains, depending on the deposit | 
| Specific Gravity | 2.4 to 2.7 | 
| Porosity | Varies with the deposit (typically high) | 
| Magnetic Properties | Non-magnetic to weakly magnetic |