ãã
ç 磲å¯è½æ¯åçãççç 磲åç½è²ãçç½è²ä¸æ£é»è²ï¼å¤è¡¨å
æ´æ亮ã
ãã辨å«æ¹æ³ï¼
ããä¸çé¢è²
ããç 磲åç½è²ãçç½è²ä¸æ£é»è²ï¼å¤è¡¨å
æ´æ亮ï¼è¡¨é¢åçç è¬çå
æ³½;åç 磲ç¨ç½ç³æç²ç¢çè´å£³ç²æç½
ç³ç²å è¶ååèæï¼éªç½æ æï¼ç½çåæ¿ã表é¢æå
å亮ï¼ä¸èªç¶ãç 磲ç 表é¢æç»å¯ç纹çï¼ä»£è¡¨å
¶å¨æ·±æµ·ä¸ççé¿å¹´éï¼çåå
æ³½ç»è
»ãå¾®éæï¼éé»è²ä¸ä¹³ç½è²ç¸åï¼åç 磲æ´ä½åç½ï¼æ å
æ³½ã
ããäºçè´¨å°
ããç 磲æ¯èªç¶çé¿çï¼ä»ç»è§å¯çº¹è·¯æ¯å¦èªç¶å¤ï¼å°±æ¯ä¸¤é¢ç 磲ç ç纹路æ ä¸ç¸åãå
¶ç¿ç©æé 以
æç³ä¸ºä¸»ï¼å
·æå±ç¶ç»æï¼åå±å度为0.5-1.5mmï¼å±é¢æ¸
æ°èåè´å¯;åç 磲æ 天ç¶ç
çé¿çº¹ï¼æ¾å¤§éä¸è§å¯æ²¡æææ¾çå±ç¶ç»æã
ããä¸çéé
ããç 磲å¯åº¦ä¸º2.70g/cm³ï¼ç¡¬åº¦ä¸è¬ä¸º2.5-3.0度ï¼é¨åå¯è¾¾å°4度ãè¯çç¨æå»æä¸æå
¶ééï¼è¥æ¯æè§é常éæ太轻ï¼åæå¯è½ä¸ºé天ç¶ç 磲ã
ããåçè£çº¹
ããèç 磲å¿
æè£çº¹ï¼ä¸è£çº¹çç²ç»ãæ¹åãé¿çæ åºãæ´æ ä¸è´ãå¨æ¾å¤§éä¸å°±å¯ä»¥çå°è£çº¹å¤åå¨å´ååé»ã
ããäºç大å°
ããç±äºå½æ¶åå°æäºæ¡ä»¶çéå¶ï¼èç 磲ç åç大å°ã
å度åéè½»ä¸ä¸ï¼å¹¶åå¨çä¸å®çå·®å«ï¼ç¨èç¼å¯ä»¥è¾¨å«åºãåç 磲ç åå大å°ãå度åéé大å¤ç¸åï¼å¾å¾ç»äººä¸ç§ååãå®ç¾çæè§ã