1ã€çŸ¿çŸ³çš„矿物组æˆ
æˆ‘å›½å†…ç”Ÿç¡¼çŸ¿å‡ ç§çŸ¿çŸ³ç±»åž‹çš„矿物组æˆè§ä¸‹è¡¨1。
表1 我国内生硼矿类型åŠçŸ¿ç‰©ç»„æˆ
矿石类型 |
主è¦ç‰¹å¾ |
典型矿区 |
硼é•石型 |
1ã€ä¸»è¦çŸ¿ç‰©æ˜¯ç¡¼é•石和蛇纹石,å‰è€…åŠå…¶é›†åˆä½“粒度较粗;åŽè€…浸染粒度较微细 2ã€ä¸»è¦çŸ¿ç‰©æ˜¯ç¡¼é•石矽é•石,å‰è€…以网脉状与脉石矿物共生,易于解离。 |
1ã€è¾½å®ç –庙沟   2ã€è¾½å®åŽä»™å³ª |
硼é•çŸ³ï¼ ç£é“çŸ¿ï¼ è›‡çº¹çŸ³åž‹ |
1ã€ä¸»è¦çŸ¿ç‰©æ˜¯ç¡¼é•石和ç£é“çŸ¿ï¼Œå«æœ‰éƒ¨åˆ†è›‡çº¹çŸ³ï¼Œå‰è€…与脉石矿物å‡åŒ€å…±ç”Ÿï¼Œæµ¸æŸ“粒度较细; 2ã€ä¸»è¦çŸ¿ç‰©æ˜¯ç¡¼é•çŸ³å’Œè›‡çº¹çŸ³ï¼Œå«æœ‰éƒ¨åˆ†ç£é“矿,å‰è€…与脉石矿物交错连生,浸染粒度细; |
1ã€è¾½å®å‡¤åŸŽ   2ã€å‰æž—å°ä¸œæ²Ÿ |
硼é•çŸ³ï¼ ç¢³é…¸ç›åž‹ |
1ã€ä¸»è¦çŸ¿ç‰©æ˜¯ç¡¼é•石(é•硼石)和方解石ã€ç™½äº‘石,其ä¸ç¢³é…¸ç›çŸ¿ç‰©å 脉石矿物é‡çš„80%以上; 2ã€ä¸»è¦çŸ¿ç‰©æ˜¯ç¡¼é•石ã€è±é•矿和部分蛇纹石,硼é•石浸染粒度微细;但è±é•矿浸染粒度较粗 |
1ã€æ¹–å—å¸¸å® Â Â 2ã€å‰æž—é«˜å° |
硼é•石化 硼é•é“çŸ¿ï¼ ç£é“矿型 |
以硼é•é“矿为主è¦ç¡¼çŸ¿ç‰©ï¼Œç£é“矿也å 较大比例。å‰è€…å¤šå‘ˆç²’çŠ¶ã€æµ¸æŸ“粒度0.1~0.3mmï¼›åŽè€…浸染粒度0.1~0.2mm |
|
å«é“€ç¡¼é•é“ çŸ¿åŒ–ç¡¼é•çŸ³ï¼ ç£é“矿型 |
æˆåˆ†æ¯”è¾ƒå¤æ‚,主è¦çŸ¿ç‰©æœ‰ç¡¼é•石ã€ç£é“矿ã€è›‡çº¹çŸ³ï¼Œè¿˜å«æœ‰ä¸€å®šé‡çš„硼é•é“矿和少é‡çš„æ™¶è´¨é“€çŸ¿ã€ç¡¼é•石嵌布粒度细,连晶关系密切 |
è¾½å®ç¿æ³‰æ²Ÿ |
锰方硼石型 |
ä¸å›½é¦–次å‘现的新矿ç§ï¼Œä¸»è¦æœ‰ç”¨çŸ¿ç‰©ä¸ºé”°æ–¹ç¡¼çŸ³å’Œè±é”°çŸ¿ï¼›è„‰çŸ³çŸ¿ç‰©ä¸ºé“白云石 |
河北蓟县 |
2ã€ç›®çš„矿物的矿物特å¾
硼在自然界ä¸åˆ†å¸ƒå¾ˆå¹¿ï¼Œåœ°å£³ä¸ç¡¼çš„é‡é‡å…‹æ‹‰å…‹å€¼ä¸º5×10ï¼3%,但å«ç¡¼çŸ¿ç‰©å¾ˆåˆ†æ•£ï¼Œè™½ç„¶ç›®å‰å·²çŸ¥çš„å«ç¡¼çŸ¿ç‰©è‡³å°‘有150ç§ä»¥ä¸Šï¼Œè€ŒçœŸæ£èƒ½è¢«åŠ å·¥åˆ©ç”¨çš„ä»…ä»…å多ç§ã€‚
æ ¹æ®å«ç¡¼çŸ¿ç‰©çš„化å¦ç»„æˆï¼Œä¸€èˆ¬å°†å…¶åˆ†ä¸ºä¸‰ç±»ï¼šç¡¼ç¡…é…¸ç›çŸ¿ç‰©ã€ç¡¼é“ç¡…é…¸ç›çŸ¿ç‰©å’Œç¡¼é…¸ç›çŸ¿ç‰©ï¼ˆåŒ…æ‹¬å«æ°´ç¡¼é…¸ç›çŸ¿ç‰©å’Œæ— 水硼酸ç›çŸ¿ç‰©ï¼‰ã€‚硼硅酸ç›çŸ¿ç‰©ä¸»è¦æ˜¯ç¡…钙硼石[2CaO·B2O3·2SiO2·H2O]和赛黄晶[CaB2(SiO4)2];硼é“ç¡…é…¸ç›çŸ¿ç‰©ä¸»è¦æ˜¯ç”µæ°”石[Na2O·(Fe,Mg)O·10Al2O3·18SiO2·4B2O3·5H2O]和斧石[Ca(Mn,Fe)Al2BSi4O15(OH)]。这两类å«ç¡¼çŸ¿ç‰©ä¸ï¼Œåªæœ‰ç¡…é’™ç¡¼çŸ³å…·æœ‰å·¥ä¸šä»·å€¼ã€‚ä½œä¸ºç¡¼åŠ å·¥å·¥ä¸šåŽŸæ–™çš„ï¼Œä¸»è¦æ˜¯ç¬¬ä¸‰ç±»ï¼ç¡¼é…¸ç›çŸ¿ç‰©ï¼Œå…¶ä¸»è¦çŸ¿ç‰©ç‰¹å¾è§ä¸‹è¡¨2。
表2 硼酸ç›ç±»çŸ¿ç‰©çš„主è¦ç‰¹å¾
矿物 åç§° |
化å¦åˆ†åå¼ |
B2O3 å«é‡% |
æ™¶å½¢ |
光泽 |
颜色 |
密度 g/cm3 |
莫æ°ç¡¬åº¦ |
å¯¹æ°´çš„å¯æº¶æ€§ |
硼é•石 |
Mg2[B2O4(OH)](OH) |
41.38 |
çº¤ç»´çŠ¶æˆ–é’ˆçŠ¶é›†åˆæœ¬ |
ä¸ç»¢å…‰æ³½ |
白ã€ç°ã€æµ…黄色 |
2.62~2.75 |
3~4 |
䏿º¶ |
ç¡¼é• é“矿 |
(Mg,Fe)2[BO3]O2 |
17.83 |
针状,纤维状,柱状结åˆä½“ |
çç ã€é‡‘刚光泽 |
黑ã€é»‘绿色 |
3.6~4.7 |
5.5~6 |
䏿º¶ |
é•硼石 |
Mg2[BO3]4 |
36.54 |
细粒状 |
玻璃光泽 |
æ— è‰²ã€ç™½è‰² |
3.03~3.10 |
6.5 |
䏿º¶ |
天然 硼酸 |
H3[BO3] |
56.40 |
é³žç‰‡çŠ¶ã€æ¿çжã€é’Ÿä¹³çж |
玻璃ã€çç 光泽 |
æ— è‰²ã€ç™½è‰² |
1.46~1.52 |
1.0 |
易溶 |
è´«æ°´ ç¡¼ç ‚ |
Na2(H2O)3[B2B2O6(OH)2] |
51.02 |
粒状或纤维状å—体 |
玻璃ä¸ç»¢å…‰æ³½ |
æ— è‰²ã€ç™½è‰² |
1.90 |
2.5 |
易溶 |
é’ ç¡¼ 解石 |
NaCa(H2O)6[B3B2O7(OH)4] |
42.95 |
ç»“æ ¸çŠ¶ã€çº¤ç»´çжå—体 |
玻璃ä¸ç»¢å…‰æ³½ |
æ— è‰²ã€ç™½è‰² |
1.65~1.95 |
2.5 |
难溶 |
硬硼 钙石 |
Ca(H2O)[B2BO4(OH)3] |
50.81 |
çŸæŸ±çж |
玻璃ã€é‡‘刚光泽 |
æ— è‰²ã€ç™½è‰² |
2.41~2.44 |
4.5~5 |
䏿º¶ |
白硼 钙石 |
Ca2(H2O)[B4BO7(OH)5] |
48.44 |
ç»“æ ¸çŠ¶æˆ–è‡´å¯†çŠ¶å—体 |
æ— å…‰æ³½ |
白色 |
2.26~2.48 |
3.0~4.5 |
䏿º¶ |
水方 硼石 |
CaMg(H2O)3[B2BO4(OH)3]2 |
50.53 |
放射状或纤维状集åˆä½“ |
玻璃光泽 |
æ— è‰²ã€ç™½è‰²ã€çŽ«ç‘°è‰² |
1.90~2.17 |
2 |
难溶 |
锰方 硼石 |
Mn3[B3B4O12]OCl |
50.36 |
他形粒状,å˜è±†çж集åˆä½“ |
油脂光泽 |
白色ã€è‰²å¾®ç° |
3.49 |
7 |
䏿º¶ |
天然 ç¡¼ç ‚ |
Na2(OH)8[B4O5(OH)4] |
36.51 |
çŸæŸ±çж |
玻璃油脂光泽 |
ç™½ã€æµ…ç°ã€æµ…黄色 |
1.69~1.72 |
2.0~2.5 |
坿º¶ |
é‚安石 |
Mg2[B2O5] |
46.34 |
æŸçŠ¶ã€æ”¾å°„状,纤维状 |
玻璃油脂光泽 |
ç™½è‰²ã€æ·¡è¤è‰² |
2.91~2.93 |
5.9 |
䏿º¶ |
柱硼 é•石 |
Mg[B2O(OH)6] |
42.46 |
柱状ã€çŸæŸ±çжã€çº¤ç»´çж |
玻璃光泽 |
æ— è‰²ã€ç™½è‰²ã€ç°ç™½è‰² |
2.3 |
3.5 |
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