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Carmo di Loano Mt. (Giogo di Toirano), Toirano, Savona Province, Liguria, Italyi
Regional Level Types
Carmo di Loano Mt. (Giogo di Toirano)Mountain
ToiranoCommune
Savona ProvinceProvince
LiguriaAdministrative Region
ItalyCountry

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Key
Latitude & Longitude (WGS84):
44° North , 8° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~5km
Locality type:
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.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: 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.
Brazilianite
Formula: NaAl3(PO4)2(OH)4
Reference: 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.
Gorceixite
Formula: BaAl3(PO4)(PO3OH)(OH)6
Reference: Bracco R., Marchesini M. (2016): Le quarziti a lazulite della Liguria e la scoperta della fluorcarmoite-(BaNa). Micro, 14, 2 (2-2016), 68-84.
Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Reference: 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.
Lazulite
Formula: MgAl2(PO4)2(OH)2
Reference: 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.
Palermoite
Formula: (Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
Reference: 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.
Quartz
Formula: SiO2
Reference: 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.
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: 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.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Brazilianite8.BK.05NaAl3(PO4)2(OH)4
Gorceixite8.BL.10BaAl3(PO4)(PO3OH)(OH)6
Goyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Palermoite8.BH.25(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Brazilianite41.5.7.1NaAl3(PO4)2(OH)4
(AB)7(XO4)4Zq
Palermoite41.7.1.1(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
(AB)3(XO4)2Zq
Lazulite41.10.1.1MgAl2(PO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Gorceixite42.7.3.2BaAl3(PO4)(PO3OH)(OH)6
Goyazite42.7.3.3SrAl3(PO4)(PO3OH)(OH)6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H BrazilianiteNaAl3(PO4)2(OH)4
H Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
H LazuliteMgAl2(PO4)2(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H GorceixiteBaAl3(PO4)(PO3OH)(OH)6
H GoyaziteSrAl3(PO4)(PO3OH)(OH)6
LiLithium
Li Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
OOxygen
O BrazilianiteNaAl3(PO4)2(OH)4
O Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
O LazuliteMgAl2(PO4)2(OH)2
O QuartzSiO2
O ApatiteCa5(PO4)3(Cl/F/OH)
O GorceixiteBaAl3(PO4)(PO3OH)(OH)6
O GoyaziteSrAl3(PO4)(PO3OH)(OH)6
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na BrazilianiteNaAl3(PO4)2(OH)4
Na Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
MgMagnesium
Mg LazuliteMgAl2(PO4)2(OH)2
AlAluminium
Al BrazilianiteNaAl3(PO4)2(OH)4
Al Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
Al LazuliteMgAl2(PO4)2(OH)2
Al GorceixiteBaAl3(PO4)(PO3OH)(OH)6
Al GoyaziteSrAl3(PO4)(PO3OH)(OH)6
SiSilicon
Si QuartzSiO2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
PPhosphorus
P BrazilianiteNaAl3(PO4)2(OH)4
P Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
P LazuliteMgAl2(PO4)2(OH)2
P ApatiteCa5(PO4)3(Cl/F/OH)
P GorceixiteBaAl3(PO4)(PO3OH)(OH)6
P GoyaziteSrAl3(PO4)(PO3OH)(OH)6
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Ca Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
Ca ApatiteCa5(PO4)3(Cl/F/OH)
SrStrontium
Sr Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4
Sr GoyaziteSrAl3(PO4)(PO3OH)(OH)6
BaBarium
Ba GorceixiteBaAl3(PO4)(PO3OH)(OH)6

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
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.

Other Regions, Features and Areas containing this locality

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