La Revoltosa Mine, San Andrés, Magdalena Municipality, Jalisco, Mexicoi
| Regional Level Types | |
|---|---|
| La Revoltosa Mine | Mine |
| San Andrés | Village |
| Magdalena Municipality | Municipality |
| Jalisco | State |
| Mexico | Country |
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Latitude & Longitude (WGS84):
20° North , 104° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Köppen climate type:
The Revoltosa is an obsidian claim/mine currently (2012) being worked for different kinds of obsidian.
The mine is located about 15 km east of the village of San Andreas on Mount San Andreas, which is the tallest mountain in the area. It is about 2 kilometers from the border with Nayarit province at an elevation of about 2000 meters in a pine "forest".
The mine produces pure black obsidian and a variety of "rainbow" coloured obsidians.
The workings are open cast and blocks of many hundreds of kg are found. Some of the very best rainbow-coloured obsidian is found here, as well as "golden sheen" obsidian. Also, it is not far distant from one of the best old fire opal mines. (Information from Alfredo Banos, claim holder of the La Revoltosa mine [2012]).
This mine has produced much of the fine Mexican rainbow obsidian that has come to the marketplace during the last five to ten years. Dr. George Rossman of Caltech has determined that the colouring agent in the rainbow obsidian are oriented nanocrystals of hedenbergite (Ma et al., 2001; Nadin, 2007).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
1 valid mineral.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Hedenbergite Formula: CaFe2+Si2O6 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| ⓘ | Hedenbergite | 9.DA.15 | CaFe2+Si2O6 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Hedenbergite | CaFe2+Si2O6 |
| Si | Silicon | |
| Si | ⓘ Hedenbergite | CaFe2+Si2O6 |
| Ca | Calcium | |
| Ca | ⓘ Hedenbergite | CaFe2+Si2O6 |
| Fe | Iron | |
| Fe | ⓘ Hedenbergite | CaFe2+Si2O6 |
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La Revoltosa Mine, San Andrés, Magdalena Municipality, Jalisco, Mexico