Italy, Toscana, Arezzo prov., Levane


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Near Levane, aragonite and kutnohorite in calcareous nodules are the minerals to be found. Because the minerals occur on agricultural land, it is necessary to obtain permission from the landowner before collecting. Minerals are found in cavities within rounded calcareous nodules

 

 

Aragonite
Small geode with acicular XX of colorless aragonite up to 0.2cm, a typical formation from this locality
3.5x2.4cm
Levane, Valdarno, Arezzo. Italy
Specimen n.199

 

Kutnohorite
Shallow cavity with hemispherical black kutnohorite masses and small elongated XX of colorless aragonite. In this locality the mineral is quite different from the white formation found otherwhere (I have a kutnohorite piece from Gambatesa mine); the
color is glossy-black due to iron and manganese oxide crusts

2x1.5cm
Levane, Valdarno, Arezzo. Italy
Specimen n.51

Another photo: entire piece

 

Kutnohorite
Piece of a cavity with kutnohorite and aragonite.
The micromasses are saddle-shaped, a feature typical of dolomite (which has the same structure as kutnohorite). In the next photo there is the other part of the cavity
4.5x3.7cm
Levane, Valdarno, Arezzo. Italy
Specimen n.128

 

 

Specimen n.128. The entire piece. In the next photos details of black kutnohorite balls amongst aragonite XX

 

 

 

Vivianite
Concretionary radiating nodule; it is blue and has cavities lined with bright blue vivianite micro XX. In the next photo the center of the nodule, with very small XX of vivianite; in the last photo the two half-nodules
4.3x3.8cm
Levane, Valdarno, Arezzo. Italy
Specimen n.1315

 

 


 

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