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Allos Pass, Uvernet-Fours, Barcelonnette, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, Francei
Regional Level Types
Allos PassPass
Provence-Alpes-Côte d'AzurRegion

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Latitude & Longitude (WGS84):
44° 17' 41'' North , 6° 36' 9'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:

Skeleton quartz and smoky quartz occurrences.


- Finds on nice baryte crystals in septarian nodules have been erroneously attributed to this locality (see http://www.mindat.org/mesg-11-106323.html). In fact, they come from the La Sapée locality (Col du Défend, Alpes-de-Haute-Provence).

- The Allos Pass (Col d'Allos - 2250 m asl) is situated on the edge of Mercantour National Park approximately 80 km SE of Gap and 20 km from the small town of Barcelonnette.
Map ref.: 44°17'41.82"N / 06°36'08.68"E

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List

2 valid minerals.

Detailed Mineral List:

Formula: CaCO3
Reference: Self collected by S. MAURY
Formula: SiO2
Habit: Window habit
Colour: Colorless
Reference: Rostan P. (2002), Cristaux de quartz d'habitus fenestré dans les Alpes du Sud, Le Règne Minéral, n°45, pp: 5-17

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si

List of minerals for each chemical element

C CalciteCaCO3
O QuartzSiO2
O CalciteCaCO3
Si QuartzSiO2
Ca CalciteCaCO3


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
MARI G. (1982) : "Mines et minéraux des Alpes Maritimes" Ed. SERRES.
ROSTAN P. (2002): "Cristaux de quartz d'habitus fenestré dans les Alpes du Sud", Le Règne Minéral 45, 5-17.
Arnou, J. and Chion, J.L. (2006). "Un rêve de cristallier: la grande fissure à "quartz fenêtre" d'Allos, Alpes de Haute Provence." Le Règne Minéral (71), 18-27.

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Eurasian PlateTectonic Plate

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