Bořickýite
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About Bořickýite
Formula:
(Ca,Mg)(Fe3+,Al)4(PO4,SO4,CO3)2(OH)8 · 3-7.5H2O
Colour:
Reddish brown
Lustre:
Waxy
Crystal System:
Amorphous
Name:
Re-named borickite by James Dwight Dana in 1868 in honor of Emanuel Bořický [December 12, 1840 Millin, Bohemia, (Czech Republic) - January 26, 1881 Příbram, Bohemia, (Czech Republic)], systematic mineralogist and petrographer, professor of mineralogy at the University of Prague, who described a similar compound in 1867. Orthography corrected by Rudolf Ignatz Koechlin in 1928. Apparently originally named delvauxene in 1854 by the chemist Karl von Hauer (son of Joseph Ritter von Hauer), but the congruence of the two minerals is unknown.
A questionable mineral, probably identical with Delvauxite, equally doubtful.
Originally reported from Brandberg Mt., Leoben, Styria, Austria.
Originally reported from Brandberg Mt., Leoben, Styria, Austria.
Name Encoding
CP1252:
Borickýite
Latin-1:
Borickýite
ASCII-7:
Borickyite
Unique Identifiers
Mindat ID:
26732
Long-form identifier:
mindat:1:1:26732:8
Physical Properties of Bořickýite
Optical Data of Bořickýite
Type:
Isotropic
RI values:
n = 1.57 - 1.67
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Moderate
Chemistry of Bořickýite
Mindat Formula:
(Ca,Mg)(Fe3+,Al)4(PO4,SO4,CO3)2(OH)8 · 3-7.5H2O
Element Weights:
Crystallography of Bořickýite
Crystal System:
Amorphous
Morphology:
Compact reniform masses.
Synonyms of Bořickýite
Other Language Names for Bořickýite
Other Information
Notes:
Soluble in HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Bořickýite
mindat.org URL:
https://www.mindat.org/min-26732.html
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Please feel free to link to this page.
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References for Bořickýite
Reference List:
Dana, James D., Brush, George Jarvis (1868) A System of Mineralogy (5th ed.). p.882p.588 - as Borickite
Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. Bulletin 679. US Geological Survey doi:10.3133/b679 p.49
Localities for Bořickýite
Showing 4 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Austria | |
| Meixner (1950) |
Czech Republic | |
| Vtělenský J. (1959) |
| Prachař +6 other references |
USA | |
| Bullock (1981) |
Leoben District, Styria, Austria