黑钨矿 颜色有暗灰色、淡红褐、淡褐黑、发褐及铁褐等颜色。半金属光泽、金属光泽及金刚光泽。通常为叶片状、弯曲片状、粒状和致密状;也有的呈厚板状、尖柱状等单斜晶系晶体，硬度5-5.5，比重7.1-7.5。参差状断口，性脆，有弱磁性。黑钨矿是炼钨和制造钨酸盐类的主要原料。质地纯正的钨可来制作电灯丝及伦琴线管的阴极等。
A dark gray, pink color. Brown, light brown, dark brown hair and brown color of iron. Semi metallic luster, metallic luster, and gold. It is usually a leaf shaped, curved, granular and dense shape; it is also a thick, thick, columnar, and so on, the hardness of 5-5.5, 7.1-7.5. Uneven fracture, brittle, weak magnetic. Is the main raw material for smelting tungsten wolframite and manufacturing tungstic acid salts. The texture of pure tungsten filament lamp can be produced and roentgen tube cathode etc..
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