Fluckite: Difference between revisions
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| references = <ref name=mindat>[http://www.mindat.org/min-1564.html Fluckite: mindat.org]</ref><ref name=webmineral>[http://www.webmineral.com/data/Fluckite.shtml Fluckite: webmineral.com]</ref><ref>[http://www.mineralatlas.com/mineral%20general%20descriptions/F/fluckitepcd.htm Fluckite: Mineral Atlas]</ref><ref name=HBM>[http://www.handbookofmineralogy.com/pdfs/fluckite.pdf Fluckite: Handbook of Mineralogy]</ref> |
| references = <ref name=mindat>[http://www.mindat.org/min-1564.html Fluckite: mindat.org]</ref><ref name=webmineral>[http://www.webmineral.com/data/Fluckite.shtml Fluckite: webmineral.com]</ref><ref>{{usurped|1=[https://web.archive.org/web/20080829234331/http://www.mineralatlas.com/mineral%20general%20descriptions/F/fluckitepcd.htm Fluckite: Mineral Atlas]}}</ref><ref name=HBM>[http://www.handbookofmineralogy.com/pdfs/fluckite.pdf Fluckite: Handbook of Mineralogy]</ref> |
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'''Fluckite''' is an [[arsenate mineral]] with the chemical formula CaMnH<sub>2</sub>(AsO<sub>4</sub>)<sub>2</sub>·2(H<sub>2</sub>O).<ref name=mindat/> |
'''Fluckite''' is an [[arsenate mineral]] with the chemical formula CaMnH<sub>2</sub>(AsO<sub>4</sub>)<sub>2</sub>·2(H<sub>2</sub>O).<ref name=mindat/> |
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Fluckite was first described in 1980 for an occurrence in the Gabe-Gottes Mine in [[Haut-Rhin]], [[Alsace]], France,<ref name=mindat/><ref name=Fleischer>M. Fleischer, L.J. Cabri, G.Y. Chao, and A. Pabst (1980) New Mineral Names*, American Mineralogist, 65,1065-1070.</ref> and named for [[mineralogist]] Pierre Fluck of [[Louis Pasteur University]] in Strasbourg, France.<ref name=webmineral /> The mineral was found in at a depth of {{convert|100|m|abbr=on}}. It occurs as a post-mine phase on [[Carbonate mineral|carbonate]] [[gangue]].<ref name=Fleischer/> It occurs in association with native arsenic, [[tennantite]], [[skutterudite]], [[sainfeldite]], [[pharmacolite]], [[villyaellenite]], [[picropharmacolite]], [[calcite]], [[dolomite (mineral)|dolomite]], [[ankerite]] and [[quartz]].<ref name=HBM/> |
Fluckite was first described in 1980 for an occurrence in the Gabe-Gottes Mine in [[Haut-Rhin]], [[Alsace]], France,<ref name=mindat/><ref name=Fleischer>M. Fleischer, L.J. Cabri, G.Y. Chao, and A. Pabst (1980) New Mineral Names*, American Mineralogist, 65,1065-1070.</ref> and named for [[mineralogist]] Pierre Fluck of [[Louis Pasteur University]] in Strasbourg, France.<ref name=webmineral /> The mineral was found in at a depth of {{convert|100|m|abbr=on}}. It occurs as a post-mine phase on [[Carbonate mineral|carbonate]] [[gangue]].<ref name=Fleischer/> It occurs in association with native arsenic, [[tennantite]], [[skutterudite]], [[sainfeldite]], [[pharmacolite]], [[villyaellenite]], [[picropharmacolite]], [[calcite]], [[dolomite (mineral)|dolomite]], [[ankerite]] and [[quartz]].<ref name=HBM/> |
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== |
==References== |
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{{Reflist}} |
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drew hiken and annbell |
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[[Category:Arsenate minerals]] |
[[Category:Arsenate minerals]] |
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[[Category:Calcium minerals]] |
[[Category:Calcium minerals]] |
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Latest revision as of 16:51, 22 September 2024
| Fluckite | |
|---|---|
-Mus%C3%A9e_de_min%C3%A9ralogie_de_Strasbourg.jpg) Fluckite from the Gabe-Gottes Mine | |
| General | |
| Category | Arsenate minerals |
| Formula (repeating unit) | CaMnH2(AsO4)2·2(H2O) [1] |
| IMA symbol | Fck[2] |
| Strunz classification | 8.CB.15 |
| Crystal system | Triclinic |
| Crystal class | Pinacoidal (1) (same H-M symbol) |
| Space group | P1 |
| Unit cell | a = 8.459, b = 7.613 c = 6.968 [Å]; α = 82.21° β = 98.25°, γ = 95.86°; Z = 2 |
| Identification | |
| Color | Colorless, Light to Dark Pink |
| Crystal habit | Crystals prismatic, typically radiating to spherulitic |
| Cleavage | (010) perfect, (100) good, (101) indistinct |
| Mohs scale hardness | 3.5-4 |
| Luster | Subvitreous, waxy |
| Streak | White |
| Diaphaneity | Translucent |
| Specific gravity | 3.05 |
| Optical properties | Biaxial (+), probable |
| Refractive index | nα = 1.618 nβ = 1.627 nγ= 1.642 |
| Birefringence | 0.024 |
| 2V angle | Large |
| References | [1][3][4][5] |
Fluckite is an arsenate mineral with the chemical formula CaMnH2(AsO4)2·2(H2O).[1]
Fluckite's mineral crystallography is triclinic meaning it has three axis of different length and three different interior angles that do not equal 90°. Because fluckite possesses three axes with different angles and lengths it is an anisotropic mineral. This means that it has more than one optic axis. This mineral is a member of the P1 space group meaning that it can be rotated 360° degrees and inverted to obtain the original figure. Optically, this mineral has positive biaxial birefringence, which can be shown obtaining an interference figure that is blue in the upper right and lower left quadrants of the figure while looking down the c- axis. Fluckite possesses moderate optical relief which is the degree to which the mineral stands out from the mounting medium.[1]
Occurrence
[edit]Fluckite was first described in 1980 for an occurrence in the Gabe-Gottes Mine in Haut-Rhin, Alsace, France,[1][6] and named for mineralogist Pierre Fluck of Louis Pasteur University in Strasbourg, France.[3] The mineral was found in at a depth of 100 m (330 ft). It occurs as a post-mine phase on carbonate gangue.[6] It occurs in association with native arsenic, tennantite, skutterudite, sainfeldite, pharmacolite, villyaellenite, picropharmacolite, calcite, dolomite, ankerite and quartz.[5]
References
[edit]- ^ a b c d e Fluckite: mindat.org
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ a b Fluckite: webmineral.com
- ^ Fluckite: Mineral Atlas[usurped]
- ^ a b Fluckite: Handbook of Mineralogy
- ^ a b M. Fleischer, L.J. Cabri, G.Y. Chao, and A. Pabst (1980) New Mineral Names*, American Mineralogist, 65,1065-1070.