Alpine Regions, central area, Switzerland


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The central Alpine Regions mean, in this page, the two Swiss cantons of Ticino (contiguous to  Italy) and Grisons (north-east of Ticino)

 

Canton of Grisons

 

Anatase
Some XX up to 0.6cm long, lustrous and metallic, dark bluish, on matrix cleaned from iron oxides. It is a typical Alpine piece. The one in evidence is posted on another smaller X
9.5x5.5cm
Thusis, Domleschg, Grisons (Grischun). Switzerland
Specimen n.701

2nd photo: a bigger view

 

 

"apatite"
Pink "apatite",  0.7cm wide, in a complex shape. It is the usual Alpine association: smoked quartz up to 3cm and adularia (K-feldspar) up to 1cm (in this case adularia, normally white, is green for byssolite inclusion). It is a detail of a bigger piece, as it is possible to see in the other photo
10x10cm
Strem Valley, Sedrun, Tujetsch (Travetsch), Grisons (Grischun. Switzerland
Specimen n.446

2nd photo: entire piece
3rd photo: bigger view
4th photo: different point of view

 

Fluorite
Group of XX, edge up to 1.7 cm, blue-gray with a gray phantom. It comes from the Swiss Alpine pass that connect Elm in the Sernftal in Glarus with Pigniu (Panix) in the Vorderrhein Valley of Grisons
9x5.5cm
Panix Pass (Panixer Pass), Panix Valley, Grisons (Grischun). Switzerland
Specimen n.695

 

Hematite
Trasparent smoky quartz partly covered by hematite blades XX. The Travetsch Valley is one of the best Alpine mineralogical areas and Sedrun is the main village in the Valley
1.5x5cm
Nalps Valley, Tujetsch (Tavetsch), Grisons (Grischun). Switzerland
Specimen n.722

2nd photo: a different point of view

 

Milarite
Couple of milarite XX, up to 1cm long, well terminated but damaged in the lower part, on adularia (K-feldspar) matrix
4x3cm
Val Giuv, Tujetsch (Tavetsch), Grisons. Switzerland
Specimen n.687

 

Adularia (K-feldspar)
Combination of XX, edge up to 9 cm. K-feldspar is more correct name, since adularia is not IMA valid name, it is a sort of k-feldspar variety
13x10cm
Val Giuv, Tujetsch (Tavetsch), Grisons. Switzerland
Specimen n.996

 

Quartz
Single fat X
13x7cm
Cima della Bianca, Cristalina valley, Grisons. Switzerland
Specimen n.1010

 

Quartz
Biterminated X, 4.2 cm long, with byssolite inclusions. The X stands on a piece of rock covered by byssolite, with some XX of epidote  up 1.2 cm long
8.5x5cm
Upper Cavrein Alp, Vorderrhein Valley, Grisons. Switzerland
Specimen n.1207

 

Quartz
Group of XX up to 3.5 cm, transparent with "chlorite" inclousions (see the 2nd photo)
5x4.5cm
Grisons area. Switzerland
Specimen n.1271

2nd photo

Canton of Ticino

 

"apatite"
Complex XX of "apatite", transparent, up to 1 cm wide
1xcm
San Gottardo pass, Ticino (Tessin). Switzerland
Specimen n.670

2nd photo: entire piece

 

Hematite
Bright iron rose of hematite (0.7 cm wide) on albite with a swarm of black anatase small XX (see the 4th photo)
10x6cm
Fibbia, San Gottardo massif, Leventina, Ticino (Tessin). Switzerland
Specimen n.1266

2nd photo: entire piece
3rd photo: bigger view
4th photo: detail on anatase

 

Adularia (K-feldspar)
Twinned XX of adularia - 3.5x3cm wide - on matrix covered by smaller XX od adularia. From the pass from Grisons canton to Ticino and Italy
10x6cm
Lucomagno pass (Lukmanier pass), Blenio Valley, Ticino (Tessin). Switzerland
Specimen n.996

 

Adularia (K-feldspar)
Rock covered by adularia XX, up to 3 cm edge, with smoked quartz. Minerals are covered by a coating of "chlorite".
Adula Mountain is "An antique and generic locality name, dating back to the late 18th century, when Adularia was named by the monk E. Pini of Milan, Italy. At that time, the Adula Mts (Mons Adula) included the whole chain separating Ticino from Uri and Grischun, from the St Gotthard area in the west to the present Adula group in the east" (from Mindat)
9.5x7.5cm
Adula mt, Ticino (Tessin). Switzerland
Specimen n.1014

2nd photo: a bigger view
3rd photo: a detail



Kyanite
Elongated, blue XX of kyanite, with brown XX  of staurolite, in schist matrix.
20x11cm
Sponda Alp - Pizzo Forno, Val Chironico, Leventina, Ticino (Tessin). Switzerland
Specimen n.1195

2nd photo

 

Quartz
Transparent, elongated XX, up to 6.5 cm long
11.5x7.5cm
San Gottardo pass, Leventina, Ticino (Tessin). Switzerland
Specimen n.1228

 

Quartz
Couple of quartz XX up tp 4 cm long, very transparent and bright, posted on the top of  the matrix. Inside the quartz XX there are some schorl malformed XX
8x7cm
Lucomagno pass (Lukmanier pass), Blenio Valley, Ticino (Tessin). Switzerland
Specimen n.1427

2nd photo: a different view

 

Rutile
Elongated XX, up to 4cm long, within quartz XX. In the 2nd photo it is possible to see a bigger view of same XX, with othe small rutile XX. In the 3rd photo another detail of piece
6x7cm
Lucomagno pass (Lukmanier pass), Blenio Valley, Ticino (Tessin). Switzerland
Specimen n.568

2nd photo: a different view
3rd photo: another group of XX

 

Rutile
Prismatic X, well defined, 1.3 tall x 0.7cm, immersed in the quartzitic rock. It is a typical sample from this Alpine place, near the Italian border
6x7cm
Lodrino, Biasca, Ticino. Switzerland
Specimen n.788

2nd photo

 

Tremolite
Elongated XX, white-gray, immersed in the compact calcite partially dissolved with acid
8x5.5cm
Lodrino, Biasca, Ticino. Switzerland
Specimen n.1191


 

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