Leucaugite
A variety of Diopside
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About Leucaugite
Colour:
White, light gray
Lustre:
Sub-Vitreous, Waxy, Dull
Hardness:
7
Crystal System:
Monoclinic
Name:
Leucaugite is a variety of pyroxene, specifically diopside, which is white (Greek 'leuco') to light gray. The name originated with Thomas Sterry Hunt and appeared in print in Dana's System of Mineralogy, fifth edition, where Hunt is credited with giving the name to a white pyroxene from Bathurst township, Lanark County, Canada. The name became more widely known when Albert R. Leeds analyzed a similar mineral from Amity, New York (Contributions to Mineralogy, Leucaugite from Amity, New York, American Journal of Science, Third Series, volume 6, 1873, P. 24.)
First Recorded Locality:
A variety of diopside noted for white to pale tan coloration and with a distinct platy character and somewhat rhombic appearance.
Unique Identifiers
Mindat ID:
7872 (as Leucaugite)
1294 (as Diopside)
1294 (as Diopside)
Long-form identifier:
mindat:1:1:7872:2 (as Leucaugite)
mindat:1:1:1294:8 (as Diopside)
mindat:1:1:1294:8 (as Diopside)
Similar Names
Physical Properties of Leucaugite
Sub-Vitreous, Waxy, Dull
Transparency:
Translucent
Colour:
White, light gray
Streak:
White
Hardness:
7 on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Distinct/Good
typical of pyroxene
typical of pyroxene
Fracture:
Splintery
Crystallography of Leucaugite
Crystal System:
Monoclinic
First Recorded Occurrence of Leucaugite
Fluorescence of Leucaugite
Not fluorescent in UV
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 Leucaugite
mindat.org URL:
https://www.mindat.org/min-7872.html
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References for Leucaugite
Localities for Leucaugite
Showing 2 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.
Canada (FRL) | |
| Dana et al. (1868) |
USA | |
| "Contributions to Mineralogy |
Amity, Town of Warwick, Orange County, New York, USA