Goyazite and Quartz crystals from the Lengenbach Mine, Binntal, Valais, Switzerland, Valentin Sicher Sr. collection– miniature specimen as unique piece
This miniature specimen from the famous Lengenbach quarry in the Binn Valley features a combination of whitish Quartz and embedded Goyazite, appearing as small beige aggregates on the matrix. Its fine-grained texture and the typical mineral associations of the sulfide-rich Lengenbach paragenesis give the piece an authentic and characteristic appearance. Originating from the collection of Valentin Sicher Sr., it represents the classic mineral diversity of this unique locality.
Geology & Origin
The Lengenbach quarry in Switzerland’s Binn Valley is world-renowned for its extraordinary assemblage of rare arsenic minerals formed within a highly complex dolomite vein system. Hydrothermal processes created more than 160 mineral species, many of them exclusive to this locality. Goyazite typically occurs in small aggregates at Lengenbach, often associated with Quartz, Dolomite or sulfide minerals. This specimen reflects the characteristic paragenesis of the site and is a fine example of the delicate mineralogical development found in this alpine deposit.
This table is for general information and orientation, although the sizes of the stones may vary. In addition, this specification is handled differently from region to region.
| Sizes |
|
Description |
approx. Sizes in mm/cm |
approx. Sizes in INCH |
| Capsule |
Capsule |
0.1–0.5 mm in a transparent hard capsule (approx. 1 cm) |
capsule contents 0.1–0.5 mm |
capsule contents 0.004–0.02 in |
| TN/mm |
Micromount (TN = Thumbnail) |
everything fitting in a TN Perky box or a MM box of approx. 1 in |
approx. 0.5–2.5 cm |
max. 1 in |
| Min |
Miniature specimen |
will not fit a TN or MM box anymore |
approx. 2.5–5 cm |
approx. 0.2–1.0 in |
| Scab |
small cabinet specimen |
approx. one-third to half a hand size |
approx. 5–9 cm |
approx. 1.0–2.0 in |
| Cab |
cabinet specimen |
full hand size |
approx. 9–15 cm |
approx. 2.0–3.5 in |
| large Cab |
large cabinet specimen |
approx. two hand sizes |
approx. 15–30 cm |
approx. 3.5–6.0 in |
| very large Cab |
very large cabinet specimen |
everything larger, no upper limit |
|
|
Abbreviations commonly used in mineralogy.
| Abbreviation |
Meaning |
| xl |
single crystal, possible with matrix |
| xls |
noticeable crystals |
| (xl) |
embedded or damaged |
| (xls) |
embeddet or damaged |
| MASS |
massive and/or amorphous pieces |
| TYP |
type locality of the original description |
| SWUV |
shortwave-UV-reaction |
| UV |
ultraviolet reaction |
| SC |
self-collected |
| U |
unique (single unique piece) |
Usage Instructions
This product is ideal as a collector's item, decorative element, teaching material, or for scientific and exhibition purposes.
Legal Notices
Safety
We accept no liability for damages resulting from improper and/or non-recommended use. Please carefully assess the suitability of the product before any alternative use.
Responsible Provider
Mikon Mineralienkontor GmbH
Steinslieth 11
D-37130 Gleichen OT Klein Lengden
Email: info@mikon-online.com
