Cobaltomenite xls on Krutaite; Mina El Dragón, Potosi, Bolivia; TN; unique piece
Cobaltomenite xls on Krutaite from Mina El Dragón, Potosi, Bolivia – micromount as unique piece
This micromount specimen with Cobaltomenite crystals on Krutaite from the Mina El Dragón, Potosí, Bolivia, shows a mineral association that is very typical for this locality. On a dark grey to metallic-looking Krutaite matrix, small but distinct Cobaltomenite crystals occur as greenish to bluish shimmering aggregates.
The Cobaltomenite crystals are small yet clearly visible and stand out well against the dark matrix. They appear mainly as fine crystalline coatings and localized aggregates. Individual crystal forms can be observed under magnification, with the crystalline nature being clearly evident. The combination of metallic Krutaite and colorful secondary minerals gives this specimen a distinctive aesthetic and mineralogical appeal.
Geology & Origin
The Mina El Dragón in Potosí is world-renowned for its exceptionally diverse mineralization, including numerous rare selenides and secondary minerals. Krutaite is a copper selenide forming the primary matrix, while Cobaltomenite is a secondary cobalt selenite mineral formed through oxidation processes. These rare mineral associations are characteristic of the oxidized zones of the deposit and make the locality highly significant for specialized collectors.
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) | embedded 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
| shipment-weight, NOT netto weight (kg) | 0.080000 |
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