Villyaellenite, H2(Mn,Ca)5(AsO4)4· 4H2O, un nouveau minéral de Sainte-Marie aux Mines (France)  [Villyaellenite, H2(Mn,Ca)5(AsO4)4·4H2O, a new mineral from Sainte-Marie aux Mines, France]

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Alternate Title:Villyaellenite, H2(Mn,Ca)5(AsO4)4·4H2O, a new mineral from Sainte-Marie aux Mines, France
Authors:Sarp, H.
Author Affiliations:Primary:
Mus. Hist. Nat., Dep. Minéral., Geneva 1208, Switzerland
Volume Title:Schweizerische Mineralogische und Petrographische Mitteilungen Bulletin Suisse de Minéralogie et Pétrographie
Source:Schweizerische Mineralogische und Petrographische Mitteilungen = Bulletin Suisse de Minéralogie et Pétrographie, 64(3), p.323-328. Publisher: Stäubli Verlag AG, Zurich, Switzerland. ISSN: 0036-7699
Publication Date:1984
Note:In French with English summary. 6 refs.; illus. incl. 2 tables
Summary:Being the Mn-dominant analogue of sainfeldite, the new mineral villyaellenite, ideally H2(Mn,Ca)5(AsO4)4.4H2O, is seen occurring with fluckite, picropharmacolite, native arsenic and pharmacolite at the Sainte-Marie aux Mines in France. Colourless to bright pink, euhedral crystals are tabular along (100) and elongated parallel to (001). Forms present in the small crystals measuring = or <0.3 mm are (100), (011), (010) and rarely (001). Whereas hardness could not be measured, the streak is white. Chemical composition determined by microprobe is CaO 13.58, MnO 22.40, As2O5 52.99, H2O (TGA) 11.42, = 100.39. The crystal system is monoclinic, space group C2/c with a 18.55, b 9.52, c 10.01 A, beta 97°; Z = 4. Strongest lines in the X-ray powder diffraction pattern are 3.297(100), 8.476(90), 3.132(60), 4.606(50), 4.761(40), 3.811(40), 3.025(40) A. D 3.20 (meas.) and 3.24 g/cm3 (calc.). Villyaellenite has 2Valpha 76°; alpha 1.660(2), beta 1.670(2), gamma 1.676(2); orientation alpha = b beta : c approx 30° in the obtuse angle beta . The mineral has been named in the honour of Dr. Villy Aellen, Director of the Museum of Natural History, Geneva. [W.S.]
Subjects:Arsenates; Formula; Mineralogy; Minerals; New minerals; Central Massif; Europe; France; Western Europe; Villyaellenite
Abstract Numbers:86M/4990
Record ID:1987063498
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique
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001 1987063498
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005 20190221165655.0
008 190110s1984 sz a 0 0 fre d
040 |a ViAlAGI  |c ViAlAGI 
041 |a fre  |b eng 
072 7 |a 01C  |2 georeft 
100 1 |a Sarp, H.  |e analytic author  |u Mus. Hist. Nat., Dep. Minéral., Geneva 1208 
242 0 0 |a Villyaellenite, H<2`(Mn,Ca)<5`(AsO<4`)<4`·4H<2`O, a new mineral from Sainte-Marie aux Mines, France 
245 1 0 |a Villyaellenite, H<2`(Mn,Ca)<5`(AsO<4`)<4`· 4H<2`O, un nouveau minéral de Sainte-Marie aux Mines (France) 
300 |a p. 323-328 
500 |a In French with English summary. 6 refs. 
500 |a Abstract number: 86M/4990 
500 |a Abstractor: W.S. 
500 |a Affiliation: Mus. Hist. Nat., Dep. Minéral.; Geneva 1208; CHE; Switzerland 
500 |a Key title: Schweizerische Mineralogische und Petrographische Mitteilungen = Bulletin Suisse de Minéralogie et Pétrographie 
500 |a Source note: Schweizerische Mineralogische und Petrographische Mitteilungen = Bulletin Suisse de Minéralogie et Pétrographie, 64(3), p.323-328. Publisher: Stäubli Verlag AG, Zurich, Switzerland. ISSN: 0036-7699 
500 |a Publication type: journal article 
504 |b 6 refs. 
510 3 |a GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique 
520 |a Being the Mn-dominant analogue of sainfeldite, the new mineral villyaellenite, ideally H<2`(Mn,Ca)<5`(AsO<4`)<4`.4H<2`O, is seen occurring with fluckite, picropharmacolite, native arsenic and pharmacolite at the Sainte-Marie aux Mines in France. Colourless to bright pink, euhedral crystals are tabular along (100) and elongated parallel to (001). Forms present in the small crystals measuring = or #LT0.3 mm are (100), (011), (010) and rarely (001). Whereas hardness could not be measured, the streak is white. Chemical composition determined by microprobe is CaO 13.58, MnO 22.40, As<2`O<5` 52.99, H<2`O (TGA) 11.42, = 100.39. The crystal system is monoclinic, space group C2/c with a 18.55, b 9.52, c 10.01 A, beta 97°; Z = 4. Strongest lines in the X-ray powder diffraction pattern are 3.297(100), 8.476(90), 3.132(60), 4.606(50), 4.761(40), 3.811(40), 3.025(40) A. D 3.20 (meas.) and 3.24 g/cm>3` (calc.). Villyaellenite has 2V<alpha ` 76°; alpha 1.660(2), beta 1.670(2), gamma 1.676(2); orientation alpha = b beta : c approx 30° in the obtuse angle beta . The mineral has been named in the honour of Dr. Villy Aellen, Director of the Museum of Natural History, Geneva. 
650 7 |a Arsenates  |2 georeft 
650 7 |a Formula  |2 georeft 
650 7 |a Mineralogy  |2 georeft 
650 7 |a Minerals  |2 georeft 
650 7 |a New minerals  |2 georeft 
651 7 |a Central Massif  |2 georeft 
651 7 |a Europe  |2 georeft 
651 7 |a France  |2 georeft 
651 7 |a Western Europe  |2 georeft 
653 |a Villyaellenite 
773 0 |t Schweizerische Mineralogische und Petrographische Mitteilungen Bulletin Suisse de Minéralogie et Pétrographie  |d Zurich : Stäubli Verlag AG, 1984  |x 0036-7699  |y SMPTA8  |n Schweizerische Mineralogische und Petrographische Mitteilungen = Bulletin Suisse de Minéralogie et Pétrographie, 64(3), p.323-328. Publisher: Stäubli Verlag AG, Zurich, Switzerland. ISSN: 0036-7699 Publication type: journal article  |g Vol. 64, no. 3  |h illus. incl. 2 tables