Natromontebrasite
A discredited species name
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About Natromontebrasite
Colour:
Usually white, also pale yellow, pink, pale green
Lustre:
Sub-Vitreous, Resinous, Waxy, Dull
Hardness:
5½ - 6
Specific Gravity:
3.085
Crystal System:
Triclinic
Member of:
Name:
Named in 1911 by Waldemar T. Schaller for the chemical composition: Natro- (sodian) and for the mineral's similarity to montebrasite. discredited as a mixture in 2007 by Andre M. Fransolet, F. Fontan, and Ph. de Parseval.
A Mixture Of:
Masses of white mineral
Unique Identifiers
Mindat ID:
2857
Long-form identifier:
mindat:1:1:2857:4
GUID
(UUID V4):
(UUID V4):
f2a84def-b477-4721-9bd0-1e841618b40c
IMA Classification of Natromontebrasite
Discredited
Classification of Natromontebrasite
41.5.8.3
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Physical Properties of Natromontebrasite
Sub-Vitreous, Resinous, Waxy, Dull
Transparency:
Translucent
Colour:
Usually white, also pale yellow, pink, pale green
Streak:
White
Hardness:
5½ - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {100}, good on {110}, distinct on {011}, and on {001}, imperfect. (Frequently fine-grained)
Perfect on {100}, good on {110}, distinct on {011}, and on {001}, imperfect. (Frequently fine-grained)
Fracture:
Irregular/Uneven
Density:
3.085 g/cm3 (Measured)
Crystallography of Natromontebrasite
Crystal System:
Triclinic
Synonyms of Natromontebrasite
Other Language Names for Natromontebrasite
Relationship of Natromontebrasite to other Species
Member of:
Other Members of this group:
Amblygonite | LiAl(PO4)F | Tric. 1 : P1 |
Montebrasite | LiAl(PO4)(OH) | Tric. 1 : P1 |
Tavorite | LiFe3+(PO4)(OH) | Tric. 1 : P1 |
Other Information
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 Natromontebrasite
mindat.org URL:
https://www.mindat.org/min-2857.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Natromontebrasite
Reference List:
Localities for Natromontebrasite
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
China | |
| Yueqing Yang et al. (1987) |
Portugal | |
| Neiva et al. (2000) |
| Neiva et al. (2000) |
Rwanda | |
| Gallagher et al. (1963) +1 other reference |
Handbook of Mineralogy (http://www.handbookofmineralogy.org/pdfs/lacroixite.pdf) | |
UK | |
| |
USA | |
| Palache et al. (1951) +1 other reference |
Eckel et al. (1997) | |
Eckel et al. (1997) +1 other reference | |
| Schooner (circa 1985) +1 other reference |
| King et al. (1994) |
Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA