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Kometa Black
GB 2 
 
SGCU
Gabbro
Physical & mechanical properties
Volumetric weight:
2970 êg/m³  
Water absorbtion:
0.35 %  
Compression strength:
104-206 MPa  
Flexure strength:
30 MPa  
Attritive ability of rock:
0.46-0.68 g/cm²  
Minerals (%)
Pyroxene:
27-30  
Plagioclase (labrador):
65-70  
Others:
1  
Deposit name: Slipchytske
Zhitomir region

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