Hidalgoite; Gold Hill, Utah, USA; Scab; unique piece
Hidalgoite from Gold Hill, Utah, USA
This specimen has an irregular, porous surface with orange-brown to rusty-brown areas and yellow-green sections. Individual dark inclusions occur between them. At approximately 7–8 cm wide, it is classified as a scab based on the scale.
Geology & Locality
Hidalgoite is a rare lead aluminum arsenate sulfate. At the Gold Hill Mine, it occurs as whitish to pale pistachio-green crusts coating cavities in limonitic gossan. The deposit in Tooele County, Utah, is known for secondary mineral formation in the oxidation zone of polymetallic ore deposits.
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 cm | Approx. ¼–¾ in |
| Min | Miniature specimen | will not fit a TN or MM box anymore | approx. 2.5-5 cm | Approx. 1–2 in |
| Scab | small cabinet specimen | approx. one-third to half a hand size | approx. 5-9 cm | Approx. 2–3½ in |
| Cab | cabinet specimen | full hand size | approx. 9-15 cm | Approx. 3½–6 in |
| large Cab | large cabinet specimen | approx. two hand sizes | approx. 15-30 cm | Approx. 6–12 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) | 0.100000 |
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