Italy, Liguria, Genova and La Spezia prov., Val Graveglia Mn district and other mines


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Val Graveglia is a Mn district, in the eastern part of Genova prov., with several mines, famous for its number and variety of minerals. Honestly, I have a small portion of them

 

Genova prov., Val Graveglia district

 

Allophane
Encrustation, on mineralized rock, of globular and colloidal masses of this
amorphous hydrous silicate of aluminium (it is the principal member of the nominal "allophane group")
7x5cm
Coppello Mt. mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.561

 

Caryopilite
Brown rounded globules filling up a vug in compact rodonite
6x7cm
Gambatesa mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.553

2nd photo: entire piece




Copper
Native copper, partially blackish for alteration
10x7cm
Reppia area, Val Graveglia, Reppia, Genova. Italy
Specimen n.1623

2nd photo

 

Ganophyllite
Ganophyllite micaceous blades upon massive quartz into jasper. Typical occurrence for this classic locality
9.5x5cm.
Molinello mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.558

2nd photo
3rd photo: entire piece

 

Kutnohorite
White prismatic XX, surrounded  by turgite (not IMA valid name, a sort of mixture of hematite or altered goethite) and quartz, reddish for hematite inclusion
9x4cm
Gambatesa mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.555

2nd photo
3rd photo
4th photo: entire piece

 

Langite
Surface of mineralized rock covered by micro crystalline langite
7x8cm
Coppello Mt. mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.107

2nd photo: entire piece
3rd photo

 

Pyroxmangite
Group of micaceous XX in quartz; photographed area 2x3 cm wide
7x3cm
Gambatesa mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.557



 

Rhodocrosite
Globular rhodo from an old finding
7x5cm
Molinello mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.570

2nd photo

 

Rodonite with Chalcocite
Small chalcocite malformed XX on lamellar rodonite
6x5cm
Molinello mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.569

2nd photo

 

Rodonite
Thin rodonite XX, semitransparent, in a vug of Mn-rich rock
6.5x4cm
Molinello mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.952




Rodonite
Lamellar XX grouped together
8.5x6cm
Gambatesa mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.353

2nd photo
3rd photo
4th photo




Saneroite
Bundles of orange saneroite, with a fine contrast on the white rock
5.5x6.5cm
Molinello mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.551

2nd photo
3rd photo

Tinzenite
Orange lamellar XX, with quartz on matrix
11x6cm
Molinello mine, Val Graveglia, Reppia, Genova. Italy
Specimen n.361

2nd photo

 

Other prov., other Mn mines

Botryogen
Orange spherical aggregates up to 1.5cm wide on matrix; from an old abandoned copper mine (mined since 1864)
6x7cm
Libiola mine, Sestri Levante, Genova. Italy
Specimen n.457

 

Inesite
A large mineralized surface covered by pink XX of inesite. This is the locality for the best inesite in Italy
19x11cm
Monte Nero mine, Rocchetta Vara, La Spezia. Italy
Specimen n.100

Another photo: entire piece

Melanterite
XX efflorescences of this iron sulphate formed after the decomposition of pyrite or other iron minerals due to the action of surface waters; it is found as a post-mining formation on mine walls. It is yellowish to white, after exposure to air and moisture
6x5.4cm
Libiola mine, Sestri Levante, Genova. Italy
Specimen n.1381

2nd photo
3rd photo


 

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