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Dombastone Valley, Sondalo, Valtellina, Sondrio Province, Lombardy, Italy

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Latitude & Longitude (WGS84): 46° 19' 16'' North , 10° 21' 31'' East
Latitude & Longitude (decimal): 46.32125,10.35875
GeoHash:G#: u0pre8x0b
Locality type:Valley
Köppen climate type:ET : Tundra
Name(s) in local language(s):Val di Dombastone, Sondalo, Valtellina, Sondrio, Lombardia, Italia

This locality is to be intended as a wide collecting area, virtually extended to the whole idrographic catchment of the Dombastone Creek.
The reported minerals are found encased within quartz, feldspars and micas in pegmatitic dykes reportedly of late-hercynian age.
In situ dykes are not easy to find and even harder to be accessed. Therefore the majority of the minerals are found within pegmatitic boulders along the main creek as well as the secondary ones.

The provided geographycal coordinates are referred to the mid point of the lowermost part of the valley, whose access is easy and quick.

Caution and mountanering experience are required to reach the upper part of the valley by vague paths or along gullies.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels from this locality in the minID database. This may include previous versions of the locality name hierarchy from

Dombastone Valley, Sondalo, Sondrio Province, Lombardy, Italy

Regions containing this locality

The Alps, Europe

Mountain Range - 2,201 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals.

Detailed Mineral List:

Formula: Be3Al2(Si6O18)
Reference: AA. VV., 1996. Collezionare minerali. Hobby & Work.
Formula: BeAl2O4
Reference: AA. VV., 1996. Collezionare minerali. Hobby & Work.
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.

List of minerals arranged by Dana 8th Edition classification

Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Unclassified Minerals, Rocks, etc.

List of minerals for each chemical element

Be BerylBe3Al2(Si6O18)
Be ChrysoberylBeAl2O4
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O BerylBe3Al2(Si6O18)
O ChrysoberylBeAl2O4
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O ZirconZr(SiO4)
Al BerylBe3Al2(Si6O18)
Al ChrysoberylBeAl2O4
Si BerylBe3Al2(Si6O18)
Si ZirconZr(SiO4)
Zr ZirconZr(SiO4)

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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