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Carmo di Loano Mt. (Giogo di Toirano), Toirano, Savona Province, Liguria, Italy

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 44° North , 8° East (est.)
Margin of Error:~41km
Other regions containing this locality:The Alps, Europe
Locality type:Mountain
Köppen climate type:Csb : Warm-summer Mediterranean climate
Name(s) in local language(s):Monte Carmo di Loano (Giogo di Toirano), Toirano, Provincia di Savona, Liguria, Italia


Phosphate-bearing metaquartzites cropping out along the ridge Giogo di Toirano (807 m)-Bric Pagliarina (1213 m)-Monte Carmo di Loano (1389 m), which divides the basin of Varatello stream (Toirano municipality) to the south from the basin of Bormida di Millesimo (Bardineto municipality) to the north.

Lazulite is the most abundant phosphate, which appears as blue compact veins, grains, and coarse subhedral crystals embedded in quartzite matrix; intimately associated minerals are frequent apatite (as milky grains and prismatic crystals) and rare brazilianite and palermoite (as colourless microscopic grains). Furthermore, pale yellow grains of gorceixite included in lazulite have been rarely observed. Goyazite, which is almost never associated with lazulite, generally forms colourless to pale yellow pseudocubic crystals in association with prismatic quartz crystals inside small cavities of the host rock.


Mineral List


6 valid minerals.

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References

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- Cortesogno L., Gaggero L., Lucchetti G. (1987): Phosphate mineralizations in a permo-triassic sequence (Giogo di Toirano, Italy). Neues Jb. Miner. Mh., 7, 305-313.
- Borgo E., Palenzona A. (1988): I nostri minerali. Geologia e mineralogia in Liguria. Aggiornamento 1988. SAGEP Editrice, Genova, 47 pp.
- Bracco R., Marchesini M. (2016): Le quarziti a lazulite della Liguria e la scoperta della fluorcarmoite-(BaNa). Micro, 14, 2 (2-2016), 68-84.

Mineral and/or Locality  
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