Damourite
A variety of Muscovite
This page is currently not sponsored. Click here to sponsor this page.
About Damourite
Formula:
KAl2(AlSi3O10)(OH)2
Colour:
Green, yellow, red, lavender.
Lustre:
Resinous, Waxy, Greasy
Hardness:
2 - 3
Name:
First described by Achille Ernest Oscar Joseph Delesse in 1845, in honor of Augustin Alexis Damour [July 19, 1808 Paris, France - September 22, 1902 Paris, France], mineralogical chemist. (Annales de Chimie et de Physique, v. 15, no. 3, p. 248-255.)
A variety of Muscovite
Very fine-grained, compact muscovite - with a greasy feel, "serpentine-like," and often a fibrous appearance when viewed from a certain direction.
Very fine-grained, compact muscovite - with a greasy feel, "serpentine-like," and often a fibrous appearance when viewed from a certain direction.
Unique Identifiers
Mindat ID:
8579 (as Damourite)
2815 (as Muscovite)
2815 (as Muscovite)
Long-form identifier:
mindat:1:1:8579:9 (as Damourite)
mindat:1:1:2815:4 (as Muscovite)
mindat:1:1:2815:4 (as Muscovite)
GUID
(UUID V4):
(UUID V4):
dbf68251-eb81-482b-9d6e-4184e8a93a3d (as Damourite)
6555d00d-e8c3-4485-9209-15e6b685a47f (as Muscovite)
6555d00d-e8c3-4485-9209-15e6b685a47f (as Muscovite)
Physical Properties of Damourite
Resinous, Waxy, Greasy
Transparency:
Transparent, Translucent
Colour:
Green, yellow, red, lavender.
Streak:
White
Hardness:
2 - 3 on Mohs scale
Tenacity:
Sectile
Cleavage:
Perfect
Perfect
Perfect
Fracture:
Micaceous
Chemistry of Damourite
Mindat Formula:
KAl2(AlSi3O10)(OH)2
Crystallography of Damourite
Morphology:
Sometimes indistinctly micaceous, often occurs replacing other silicates
Geological Environment
Geological Setting:
granite pegmatite
Other Language Names for Damourite
Common Associates
Associated Minerals Based on Photo Data:
11 photos of Damourite associated with Kyanite | Al2(SiO4)O |
8 photos of Damourite associated with Quartz | SiO2 |
4 photos of Damourite associated with Cassiterite | SnO2 |
4 photos of Damourite associated with Fluorapatite | Ca5(PO4)3F |
3 photos of Damourite associated with Ilmenite | Fe2+TiO3 |
2 photos of Damourite associated with Rutile | TiO2 |
1 photo of Damourite associated with Microcline | K(AlSi3O8) |
1 photo of Damourite associated with Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
1 photo of Damourite associated with Albite | Na(AlSi3O8) |
1 photo of Damourite associated with Chlorite Group |
Fluorescence of Damourite
Not usually 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 Damourite
mindat.org URL:
https://www.mindat.org/min-8579.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
References for Damourite
Reference List:
Localities for Damourite
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.
Antarctica | |
Australia | |
| Martins da Pedra. |
| Admad et al. (2013) |
| |
SARIG Mineral Deposit Information | |
| Jacobson. (2007) |
| Pegmatites of Western Australia +2 other references |
| Calderwood +2 other references |
China | |
| Yueqing Yang et al. (1987) |
| Maozhong Min and Junqi Wu (1992) |
| Maozhong Min and Junqi Wu (1992) |
| Maozhong Min and Junqi Wu (1992) |
| Li Jianhong Liang Liang Liu Chengdong (1995) |
| Min et al. (1999) |
| Maozhong Min et al. (2005) |
| Dahlkamp (2009) |
| Zhili Qiu et al. (2001) |
France | |
| Bull. Soc. Franç. Minéralo. ... |
| Germain C. (1988) |
| Pillard F. et al. (1985) |
| Arliguie M |
| Guide geologique de la Haute Vienne |
| Guide geologique de la Haute Vienne |
| perso.wanadoo.fr (2005) |
| LACROIX A: Mineralogie de la France et ... |
| Baret (1898) |
| Baret (1905) |
Baret (1905) | |
| Baret (1905) |
| Baret (1905) |
Italy | |
| R. Lefèvre and A. Michard |
Madagascar | |
| Behier (1960) |
| Behier (1960) |
Norway | |
| Norges Geologiske Undersøkelse. 270 (p.26) +1 other reference |
Poland | |
| Lis et al. (1986) |
Sweden | |
| GFF 2 +1 other reference |
| |
| Nordiska Riksmuseet (Stockholm) +1 other reference |
USA | |
| Brush and Dana (1878) |
| Moritz (n.d.) |
Moritz (n.d.) | |
| Januzzi (1959) +1 other reference |
| 92. +1 other reference |
93. +1 other reference | |
| King et al. (1994) |
| King et al. (1994) +1 other reference |
| Kink |
King et al. (1994) | |
| King (n.d.) |
| King et al. (1994) +1 other reference |
King et al. (6) | |
King (n.d.) | |
| Tim Blake |
King et al. (1994) | |
| Jeremy Zolan |
| Gems and Minerals of America-Jay Ellis ... |
| Genth |
| Genth |
Gems and Minerals of America-Jay Ellis ... | |
| Mineralogy of Pennsylvania - 1922 +1 other reference |
| Dana 6:1067. |
... | |
| Gordon |
| Miller |
| Sloan (1908) |
| Bullock (1981) |
| Rocks&Min. 47:596 (1972) |
Australia