Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Fognano, Montepulciano, Siena Province, Tuscany, Italyi
Regional Level Types
FognanoProspect (Abandoned)
MontepulcianoCommune
Siena ProvinceProvince
TuscanyRegion
ItalyCountry

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05472000017271926546204.jpg
Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy
05666850017271926574988.jpg
Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy
05472000017271926546204.jpg
Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy
05666850017271926574988.jpg
Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy
05472000017271926546204.jpg
Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy
05666850017271926574988.jpg
Simonellite

Fognano, Montepulciano, Siena Province, Tuscany, Italy
Latitude & Longitude (WGS84):
43° 6' 33'' North , 11° 46' 44'' East
Latitude & Longitude (decimal):
43.10922,11.77910
GRN:
N29E07
Type:
Prospect (Abandoned) - last checked 2025
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Montepulciano3,446 (2018)1.2km
Bivio di San Biagio342 (2014)2.6km
Montefollonico476 (2014)3.4km
Gracciano583 (2014)4.8km
Sant'Albino1,227 (2014)4.8km
Mindat Locality ID:
23630
Long-form identifier:
mindat:1:2:23630:7
GUID (UUID V4):
0


Old lignite quarries within pliocenic sediments. Simonellite was found here by G. Boeris in 1918 (his work was published in 1919) and its name is dedicated to geologist V. Simonelli.


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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

List of minerals arranged by Strunz 10th Edition classification

Group 10 - Organic Compounds
ⓘSimonellite (TL)10.BA.45C19H24

List of minerals for each chemical element

HHydrogen
Hⓘ SimonelliteC19H24
CCarbon
Cⓘ SimonelliteC19H24

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Boeris G. (1918): Sopra un idrocarburo della lignite di Fognano (simonellite). Nota preliminare. Rend. Accad. Sci. Ist. Bologna, 25, 105-110.
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