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Geographical
section. Italy, Veneto, minerals from the volcanic formations |
Selection
of images from the collection. ©
Fernando Metelli. All the photos and other material on this site are copyright,
if you wish to use them please contact me for permission
Veneto is a large region: in
this section I separate the north (Belluno prov) from the center and south
(Vicenza and Verona and Vicenza prov). Specimens here came from volcanic rocks
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Natrolite
Elongated XX, pink colored, with some analcime XX, visible on
the right in the 2nd photo. From volcanic rocks
formations, with mineralized sites, both in the Trento prov. and
in the Belluno prov
8.5x5.5cm
Monte Mignon, Marmolada group, Belluno. Italy
Specimen n.809
Another photo: a bigger
view
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"Chabazite"
Surface of rock, reddish for iron presence, covered by XX of "chabazite"
completely transparent, up to 0.3cm wide
7.5x5cm
Falcade, Belluno. Italy
Specimen n.32
Another photo:
entire piece
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Pectolite
Radial white XX on calcite in basaltic rock
9x9cm
Valle del Focobon, Canale di Agordo, Belluno. Italy
Specimen n.48
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Apophyllite
Single X, edge 0.8 cm long, in a cavity (6.5x4.5 cm wide) of the
basaltic roc, filled with natrolite needles. From an old basalt
quarry, famous for nice basalt column
14x8cm
Gambellara, Vicenza. Italy
Specimen n.500
Another photo: entire
piece
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"Chabazite"
var phacolite
Rounded aggregate of small phacolite XX, 0.3cm wide, in a cavity filled with
micro-XX of pinkish harmotome
3.5x3cm
Fittą, Soave, Verona. Italy
Specimen n.899
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Ferrierite
Typical ferrierite XX from the an old Italian locality
6.4x4cm
Tretto di Schio, Val Timonchiello, Vicenza. Italy
Specimen n.781
Another photo: a
bigger view |
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Garronite
Small white XX of garronite, in cavities of the rock with
microcrystalline analcime
4x5cm
Torrente Chiavon Nero, Fara Vicentina, Vicenza. Italy
Specimen n.1174
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"Gmelinite"
Hexagonal XX, up to 0.8cm wide, in a cavity of the rock with small nodules
of other zeolites. Gmelinite is a series of mineral (divided in the calcium, sodium,
potassium rich members) and Montecchio Maggiore (Montenero hill) is the Type Locality
(together with another place in Northern Ireland)
4x5cm
Montecchio Maggiore, Altavilla, Vicenza. Italy
Specimen n.509
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Gmelinite-Ca
Some XX, up to 0.6cm wide
6.5x5cm
Contrada Bagattei, Vestenanuova, Verona. Italy
Specimen n.235
Another photo: a
bigger view
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Gonnardite
White balls of gonnardite, 0.5cm wide, on basaltic matrix covered by
microcrystalline analcime. There is a debate on structural relationship between gonnardite
and tetranatrolite, that remains controversial
6.5x4.8cm
Torrente Chiavon Nero, Fara Vicentina, Vicenza. Italy
Specimen n.233 Another
photo: detail of piece
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Harmotome
Group of rounded formation. Minerals from the armotome-phillipsite
series are difficult to distinguish, but from this locality the orange
mineral is always armotome; phillipsite is white
7x7cm
Contrada Segani, Arzignano, Vicenza. Italy
Specimen n.803
Another photo: the
inner part of XX
Another photo: another
view
Another photo: another
view
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Harmotome
Combination of orange rhombic XX, about 0.5cm wide. This kind of
specimen is also known with the old name of "wellsite", discredited by IMA (International Mineralogical Association) in
1997: today is either barian philipsite-Ca or calcian harmotome
3x2.5cm
Calvarina mt, Roncą, Verona. Italy
Specimen n.234
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Harmotome
Rounded formation of pink XX, 0.9 cm wide
7x7cm
Monte Castellaro, Monteforte d'Alpone, Verona. Italy
Specimen n.237
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Mordenite
Previously
called arduinite, from this type locality. The formation of
red radial XX is 2.2x1.3cm wide, with compact calcite, in basalt. One of my old
findings from this valley
5x4.5cm
Val Zuccanti, Torrebelvicino, Vicenza. Italy
Specimen n.33
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Natrolite
Needle-shaped XX up to 1.4cm, in a cavity of the basaltic rock from
an old quarry (see also the next and bigger piece)
9.5x5cm
Altavilla Vicentina, Vicenza. Italy
Specimen n.31
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Natrolite
Cavity in basalt entirely covered by small tufts of needles up to
0.6cm; the cavity is 8.5x6cm. From the classic site of Altavilla Vicentina
(basalt quarry, now closed)
15x13cm
Altavilla Vicentina, Vicenza. Italy
Specimen n.247
Another photo: bigger
view
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"Phillipsite"
rounded aggregate of "phillipsite" (it could be something
else, phillipsite-harmotome series minerals are difficult to
distuinguish)
5.5x4.5cm
Calvarina Mt., Roncą, VeronaItaly
Specimen n.525 |
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Xonotlite
Aggregate of pale pink balls with radial fibrous XX, a typical formation for
contact areas in this location
7.5x6.5cm
Grolla quarry, Spagnago, Vicenza. Italy
Specimen n.58
Another photo: entire
piece
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