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Acanthite : Ag2S | |
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Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland FOV 1,5 mm. Collection and photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 255997 View Count: 19 |
Acanthite : Ag2S | |
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Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland FOV 2 mm. Collection and photo Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 255996 View Count: 15 |
Actinolite (Var: Byssolite) : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2, Clinochlore : (Mg,Fe2+)5Al[(OH)8|AlSi3O10] | |
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Schwarzhorn Mt., Geisspfad area, Binn Valley, Wallis (Valais), Switzerland photo&collection: Frank de Wit (width=4mm) |
| © Frank de Wit | Photo ID: 24745 View Count: 474 |
Actinolite (Var: Byssolite) : ☐Ca2(Mg,Fe2+)5(Si8O22)(OH)2 | |
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Upper Cavrein Alp, Gronda da Cavrein Valley, Russein Valley, Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland a 16 cm wide specimen with adular and byssolite, undamaged |
| © 2006 RK | Photo ID: 75559 View Count: 210 |
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Goppenstein, Lötschen valley, Wallis (Valais), Switzerland Typical greenish byssolite (Amiant) crystals up to 4.5 cm length. Specimen size 7 x 6 x 4.4 cm. Second image available. Christian Bracke Collection. |
| © Christian Bracke | Photo ID: 89756 View Count: 205 |
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Lötschen valley, Wallis (Valais), Switzerland Adularia twin of 1.7 x 1.6 cm on byssolite. See second image. Christian Bracke Collection. |
| © Christian Bracke | Photo ID: 90323 View Count: 187 |
Adularia : KAlSi3O8 | |
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Engstligenalp (incl. Engstligengrat), Adelboden, Engstlige Valley, Kander Valley, Bern, Switzerland Translucent adularia crystals in parallel orientation with minor quartz microcrystals on the surface in several areas. Minor edge wear. Fully crystallized front and back. Ex. Robert C. Linck (1905-1970). Overall size of mineral specimen: 9x5x4 cm. Size of individual crystals: 5-40 mm. |
| © 2003 John H. Betts | Photo ID: 9495 View Count: 643 |
Adularia : KAlSi3O8, Quartz : SiO2 | |
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Griesseren Valley, Maderanertal, Uri, Switzerland Large points of colorless quartz up to 4 cm. Overgrown on the quartz are sharp, white adularia crystals up to 15 mm. The specimen is fully crystallized on all surfaces - a floater. No damage. Overall size of mineral specimen: 9x7x3 cm. Size of individual crystals: 2-40 mm. |
| © 2002 John H. Betts | Photo ID: 6287 View Count: 594 |
Adularia : KAlSi3O8, Quartz (Var: Smoky Quartz) : SiO2 | |
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Maderanertal, Uri, Switzerland Lustrous, transparent smoky quartz crystals up to 2 cm with white adularia crystals up to 18 mm. No damage. Label on bottom says: Rinaerberg, Stockli, Maderanertal. Collector's label said: Tiefen Glacier, Furka, Switzerland. Overall size of mineral specimen: 8x6x4 cm. Size of individual crystals: 5-20 mm. |
| © 2002 John H. Betts | Photo ID: 7102 View Count: 516 |
Adularia : KAlSi3O8 | |
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Guttannen, Hasli Valley, Bern, Switzerland A Baveno twin of Adularia. Ex. F. Krantz collection. 2.8 cm. Label indicates it is from Guttannen, Haslital, Switzerland. |
| © J. Wingard | Photo ID: 33040 View Count: 474 |
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