[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts] See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM] Mineral News was founded some twenty years ago and has developed a following of avid mineral collectors seeking timely information about new finds and other items of interest to the collector community. Articles are solicited from collector and scientific authors. General Likasite InformationCu3(NO3)(OH)5•2(H2O) |
Molecular Weight = 373.71 gm |
|
Copper 51.01 % Cu 63.86 % CuO |
|
Hydrogen 2.43 % H 21.69 % H2O |
|
Nitrogen 3.75 % N 14.45 % N2O5 |
|
Oxygen 42.81 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
Cu3(NO3)(OH)5•2(H2O) |
Valid Species (Pre-IMA) 1955 |
Likasi mine, Shaba, Zaire. Link to MinDat.org Location Data. |
Named for the locality. |
Likasite |
ICSD 30997 |
|
PDF 33-479 |
| | Likasite Image
|
|
Likasite Crystallographya:b:c =0.8609:1:3.2043 |
a = 5.828, b = 6.769, c = 21.69, Z = 4; V = 855.66 Den(Calc)= 2.90 |
Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pc21n |
|
Mouse
|
| Physical Properties of Likasite{001} Perfect |
Blue. |
2.96 - 2.98, Average = 2.97 |
Massive - Uniformly indistinguishable crystals forming large masses. |
Tabular - Form dimensions are thin in one direction. |
light blue |
| Optical Properties of LikasiteCI meas= -0.007 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.032 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2241,KPDmeas= 0.2189,KC= 0.2173 Ncalc = 1.63 - 1.65 Biaxial (-), a=1.615, g=1.685, bire=0.0700 |
blue green. |
pale blue. |
| Calculated Properties of LikasiteBulk Density (Electron Density)=2.91 gm/cc |
note: Specific Gravity of Likasite =2.97 gm/cc. Fermion Index = 0.03 |
Boson Index = 0.97 PELikasite = 22.06 barns/electron |
U=PELikasite x rElectron Density= 64.18 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Likasite is Not Radioactive | Likasite Classification19.01.05.01 (19)Nitrates - Hydroxyl or Halogen |
|
(19.01)with miscellaneous formulae |
|
(19.01.05)Dana Group |
|
05.ND.05 05 - CARBONATES (NITRATES) |
|
05.N - NITRATES |
|
05.ND -With OH (etc.) and H2O |
|
| Other Likasite InformationNAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
Links to other databases for Likasite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Likasite using: Visit our Advertisers for Likasite : B & L Fine MineralsDan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Excalibur Minerals Exceptional Minerals Fabre Minerals John Betts Fine Minerals Lapis Mineral Journal Mineral News UV Tools Wrights Rock Shop Translate Likasite Mineral Data : Ask about Likasite here : Print or Cut-and-Paste your Likasite Specimen Label here :
| |
|
| | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||