Vanuxemite
A variety of Sauconite
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About Vanuxemite
Lardner Vanuxem (1792–1848)
Formula:
Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Colour:
Creamy white to pale yellow
Lustre:
Waxy, Dull, Earthy
Hardness:
2½
Specific Gravity:
2.5
Name:
Named in 1876 by Charles Upham Shepard in honor of Lardner Vanuxem [July 23, 1792 Philadelphia, Pennsylvania, USA – January 25, 1848 Bristol, Pennsylvania, USA], mineralogist and geologist with the New York Geological Survey, who also studied the mineralogy of Franklin and Ogdensburg, New Jersey, USA.
Unique Identifiers
Mindat ID:
4154 (as Vanuxemite)
3544 (as Sauconite)
3544 (as Sauconite)
Long-form identifier:
mindat:1:1:4154:2 (as Vanuxemite)
mindat:1:1:3544:2 (as Sauconite)
mindat:1:1:3544:2 (as Sauconite)
Physical Properties of Vanuxemite
Waxy, Dull, Earthy
Transparency:
Opaque
Colour:
Creamy white to pale yellow
Streak:
White
Hardness:
2½ on Mohs scale
Hardness Data:
Measured
Comment:
Due to hemimorphite cement
Tenacity:
Waxy
Fracture:
Irregular/Uneven
Density:
2.5 g/cm3 (Measured)
Chemistry of Vanuxemite
Mindat Formula:
Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
Element Weights:
Other Language Names for Vanuxemite
German:Vanuxemit
Spanish:Vanuxemita
Fluorescence of Vanuxemite
Pale to medium creamy yellow with slightly pose pink mottling due to hemimorphite and probably calcite intergrowth.
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 Vanuxemite
mindat.org URL:
https://www.mindat.org/min-4154.html
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References for Vanuxemite
Localities for Vanuxemite
Showing 1 localities.
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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.
USA | |
| Shepard |
Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA