Features: 1) Color: silver gray 2) Melting points: 1,473oC; 1, 573oC 3) Blocky solid with metallic luster 4) Brittle, easy to be shattered into pieces 5) Intensity: 4.5 - 4.7g/cm3 6) Melting point: 1,200 - 1,260oC 7) Generally, rare-earth silicon alloys contain: 8) Rare-earth: 17 - 37% 9) Si: 35 - 46% 10) Mn: 5 - 8% 11) Ca: 5 - 8% 12) Ti: 6% 13) Iron: rest

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