Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Wegscheiderite

This page is currently not sponsored. Click here to sponsor this page.
Rudolph Wegscheider
Formula:
Na5H3(CO3)4
System:
Triclinic
Colour:
Colourless
Lustre:
Vitreous
Hardness:
2½ - 3
Name:
Named after Rudolf Wegscheider (1859-1935), Austrian chemist who, in 1913, first produced the synthetic compound.
This page provides mineralogical data about Wegscheiderite.

Classification of Wegscheiderite

Approved
5.AA.30

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
A : Alkali carbonates
13.1.6.1

13 : ACID CARBONATES
1 : Miscellaneous
11.1.4

11 : Carbonates
1 : Carbonates of the alkali metals and ammonium
mindat.org URL:
http://www.mindat.org/min-4256.html
Please feel free to link to this page.

First Recorded Occurrence of Wegscheiderite

Place of Conservation of First Recorded Material:
Smithsonian 117710
Year of Discovery:
1961
Geological Setting of First Recorded Material:
Lacustrine deposits

Physical Properties of Wegscheiderite

Vitreous
Diaphaneity (Transparency):
Translucent
Colour:
Colourless
Hardness (Mohs):
2½ - 3
Cleavage:
Distinct/Good
Distinct prismatic cleavage
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
2.341 g/cm3 (Measured)    2.334 g/cm3 (Calculated)

Crystallography of Wegscheiderite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 10.04(3) Å, b = 15.56(4) Å, c = 3.466(10) Å
α = 91.92°, β = 95.82°, γ = 108.67°
Ratio:
a:b:c = 0.645 : 1 : 0.223
Morphology:
Acicular to bladed crystals to 5cm, fibrous, aggregates.

Optical Data of Wegscheiderite

Type:
Biaxial (-)
RI values:
nα = 1.433 nβ = 1.519 nγ = 1.528
2V:
Measured: 32° , Calculated: 34°
Max Birefringence:
δ = 0.095
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak r < v

Chemical Properties of Wegscheiderite

Formula:
Na5H3(CO3)4
Essential elements:
All elements listed in formula:

Relationship of Wegscheiderite to other Species

5.AA.05ZabuyeliteLi2CO3
5.AA.10NatriteNa2CO3
5.AA.10Gregoryite(Na2,K2,Ca)CO3
5.AA.15NahcoliteNaHCO3
5.AA.20KaliciniteKHCO3
5.AA.25Teschemacherite(NH4)HCO3
11.1.1ZabuyeliteLi2CO3
11.1.2NatriteNa2CO3
11.1.3NahcoliteNaHCO3
11.1.5ThermonatriteNa2CO3 · H2O
11.1.6TronaNa3H(CO3)2 · 2H2O
11.1.7NatronNa2CO3 · 10H2O
11.1.8KaliciniteKHCO3
11.1.9ShortiteNa2Ca2(CO3)3
11.1.10NyerereiteNa2Ca(CO3)2
11.1.11Natrofairchildite
11.1.12ZemkoriteNa2Ca(CO3)2
11.1.13PirssoniteNa2Ca(CO3)2 · 2H2O
11.1.14GaylussiteNa2Ca(CO3)2 · 5H2O
11.1.15BaylissiteK2Mg(CO3)2 · 4H2O
11.1.16FairchilditeK2Ca(CO3)2
11.1.17BütschliiteK2Ca(CO3)2
11.1.18Teschemacherite(NH4)HCO3

Other Names for Wegscheiderite

Name in Other Languages:
Simplified Chinese:碳氢钠石

Other Information

Other Information:
Soluble in water.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Wegscheiderite

Reference List:
American Mineralogist (1963): 48: 400-403.

Acta Crystallographica: B46: 466-474.

Internet Links for Wegscheiderite

Localities for Wegscheiderite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
China
 
  • Henan Province
    • Nanyang Prefecture
      • Tongbai Co.
        • Biyang basin
Qingtang Yang (1987): Acta Petrologica et Mineralogica 6(1), 87-92; Jiping Wang, Youxun Zhang, Qingtang Yang, Jianmin Zhou, and Xiulian Ma (1991): Geological Review 56(1), 42-50
Russia
 
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
www.koeln.netsurf.de/~w.steffens/lovo.htm
USA
 
  • Colorado
    • Rio Blanco Co.
      • Piceance Basin
        • Green River Formation
Minerals of Colorado (1997) E.B. Eckels
  • Utah
    • Duchesne Co.
http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_45510.htm.
U.S. GEOLOGICAL SURVEY Open-File Report 96-0729
  • Wyoming
    • Sweetwater Co.
      • Green River Formation
Am Min 48:400-403; Am Min 48:400-403
Amer.Min.(1963) 48, 400-403
Am Min 48:400-403; Am Min 48:400-403
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 27, 2015 01:28:14 Page generated: April 3, 2015 04:20:13