Formula: |
| ||||||||
System: | Hexagonal | Colour: | Colourless, light green | ||||||
Lustre: | Vitreous | Hardness: | 7½ - 8 | ||||||
Name: | Named for Diaoyudao Island, the Chinese name for the Senkaku islands. |
Classification of Diaoyudaoite | |
IMA status: | Approved 1985 |
Explanation of status: | Perhaps an industrial waste product dumped into the ocean and not a true mineral. |
Strunz 8th edition ID: | 4/B.08-10 |
Nickel-Strunz 10th (pending) edition ID: | 4.CC.45 4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates) C : Metal: Oxygen = 2: 3,3: 5, and similar C : With large and medium-sized cations |
Dana 8th edition ID: | 7.11.12.1 7 : MULTIPLE OXIDES 11 : Miscellaneous |
Hey's CIM Ref.: | 7.2.2 7 : Oxides and Hydroxides 2 : Oxides of the alkali metals |
ICSD 63263 |
PDF 45-1451 |
大陆
第4楼2013/04/28
真不假,原始出处竟不是正规期刊,二是Private communication.
Entry # 00-045-1451
Phase classification
Name Sodium Aluminum Oxide
Mineral Name Diaoyudaoite
Formula NaAl11O17
Pearson symbol hP58
Quality B (None)
Bibliographic data
Publication
Reference Lu-lu, X., Fudan Univ., Shanghai, People's Republic of China, Private Communication, (1993)
Crystal structure
Published crystallographic data
Space group P63/mmc (194)
Crystal system hexagonal
Cell parameters a=5.602 Å c=22.626 Å
Cell volume 614.93 ų
Z 2
iangie
第5楼2013/04/28
擦...原来是给同学下毒那个大学的文章.........
iangie
第6楼2013/04/28
尽管这种在钓鱼岛海域海床上发现的矿物在1985年已经被International Mineralogical Association approve, 但是国际上一些研究者认为这种铝酸钠的形式跟熔渣相似, 所以有争论这可能是工业废料, 而不是天然矿物.
如果是这个原因的话, 1985年以前去钓鱼岛那块倒废料肯定不是中国....