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dujuan247

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ÒýÓûØÌû:
2Â¥: Originally posted by taochn at 2011-09-27 09:36:44:
There is also a trihydrate, MgCO3.3H2O (rhombic; r.d. 1.85), which occurs naturally as nesquehonite


Mg(OH)2 : brucite

[eimg]12/72/287346_1317087 ...

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dujuan247(½ð±Ò+20): лл 2011-09-27 09:53:36
dujuan247(½ð±Ò+10): 2011-12-27 16:28:29
ÒýÓûØÌû:
1Â¥: Originally posted by dujuan247 at 2011-09-27 09:05:12:
Íò·Ö׿±£¬ÇëºÃÐÄÈËÖ¸µã£¡
[ Last edited by ghcacj on 2011-9-27 at 09:31 ]

There is also a trihydrate, MgCO3.3H2O (rhombic; r.d. 1.85), which occurs naturally as nesquehonite


Mg(OH)2 : brucite

2Â¥2011-09-27 09:36:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dujuan247

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by taochn at 2011-09-27 09:36:44:
There is also a trihydrate, MgCO3.3H2O (rhombic; r.d. 1.85), which occurs naturally as nesquehonite


Mg(OH)2 : brucite

[eimg]12/72/287346_1317087 ...

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4Â¥2011-09-27 10:19:55
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taochn

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ghcacj(½ð±Ò+5): лл 2011-09-28 09:41:12
Nesquehonite Crystallography
Axial Ratios:  a:b:c =2.2263:1:1.4248  
Cell Dimensions:  a = 12, b = 5.39, c = 7.68, Z = 4; beta = 90.45¡ã V = 496.73 Den(Calc)= 1.85  
Crystal System:  Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n  
X Ray Diffraction:  By Intensity(I/Io): 6.5(1), 3.86(0.9), 2.61(0.7),
5Â¥2011-09-27 10:55:16
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