Fluckite Mineral Data + 
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- 39.1.2.1 Fluckite CaMn(HAsO4)2·2(H2O) P1 1
- VII/C.16-10 Parascholzite CaZn2(PO4)2·2(H2O) C 2/c or Cc Mono
- VII/C.16-20 Scholzite CaZn2(PO4)2·2(H2O) Pbmm 2/m 2/m 2/m
- VII/C.16-30 Fluckite CaMn(HAsO4)2·2(H2O) P1 1
General Fluckite Information |
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 Chemical Formula: |
CaMn(HAsO4)2·2(H2O) | ||
| Composition: |
Molecular Weight = 410.90 gm | ||
| Calcium 9.75 % Ca 13.65 % CaO | |||
| Manganese 13.37 % Mn 17.26 % MnO | |||
| Arsenic 36.47 % As 55.94 % As2O5 | |||
| Hydrogen 1.47 % H 13.15 % H2O | |||
| Oxygen 38.94 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
CaMn2+H2(AsO4)2·2(H2O) | ||
| IMA Status: |
Approved IMA 1980 | ||
| Locality: |
Gabe Gottes St. Jacques vein at Ste.-Marie-aux-Mines, Vosges Mts., Alsace, France. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Pierre Fluck, Mineralogist at Louis Pasteur University, Strasbourg, France. | ||
| Synonym: |
ICSD 200702 | ||
| PDF -195 | |||
Fluckite Image | |||
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Images:
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Fluckite Crystallography |
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| Axial Ratios: |
a:b:c =1.1111:1:0.9152 | ||
| Cell Dimensions: |
a = 8.459, b = 7.613, c = 6.968, Z = 2; alpha = 82.21°, beta = 98.25°, gamma = 95.86° V = 437.69 Den(Calc)= 3.12 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 7.512(1), 3.266(0.91), 3.528(0.9), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Fluckite |
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| Cleavage: |
[010] Perfect, [100] Good, [101] Indistinct | ||
| Color: |
Colorless, Light pink, Dark pink. | ||
| Density: |
3.05 | ||
| Diaphaniety: |
Transparent | ||
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. | ||
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
| Habit: |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | ||
| Hardness: |
3.5-4 - Copper Penny-Fluorite | ||
| Streak: |
white | ||
Optical Properties of Fluckite |
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| Gladstone-Dale: |
CI meas= -0.043 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.02 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2019,KPDmeas= 0.2066,KC= 0.198 |
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| Optical Data: |
Biaxial (?), a=1.618, g=1.642, bire=0.0240, 2V(Meas)=large. | ||
Calculated Properties of Fluckite |
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| Electron Density: |
relectron=2.99 gm/cc |
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| Fermion Index |
Fermion Index = 0.00032 Boson Index = 0.99968 |
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| Photoelectric: |
PEFluckite = 29.35 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Fluckite is Not Radioactive |
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Fluckite Classification |
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| Dana Class: |
39.1.2.1 (39)Hydrated Acid Phosphates, etc | ||
| (39.1)A+ [HXO4] · x(H2O) | |||
| (39.1.2)Dana Group | |||
| Strunz Class: |
VII/C.16-30 VII - Phosphates, Arsenates and Vanadates | ||
| VII/C - Water-bearing phosphates without unfamiliar anions, cations of medium and big size: Fe, Mn, Zn, Mg and Ca, (NH4)1+ | |||
| VII/C.16 - Parascholzite - Fluckite series | |||
Other Fluckite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Fluckite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 - Franklin Minerals(Dunn) 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Fluckite using: Visit our Advertisers for Fluckite : Translate Fluckite Mineral Data : Ask about Fluckite here : Print or Cut-and-Paste your Fluckite Specimen Label here :
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