| Locality type: | Mine |
| Classification |
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| Species: | Siderite |
| Formula: | FeCO3 |
| Confirmation |
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| Validity: | Believed Valid |
| References |
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| References: | Singer, D.A., Berger, V.I., and Moring, B.C. (2005): USGS Open-File Report 05-1060 |
| Data |
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| Mineral Data: | Click here to view Siderite data |
| Locality Data: | Click here to view Twin Buttes Mine (Twin Buttes Open Pit Mine), Twin Buttes, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA |
| Nearest other occurrences of Siderite |
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| 21.6km (13.4 miles) | | ⓘIron Mask Mine (Iron Mask prospect; McCleary prospect; Littleshot prospect), Jackson Mine group (McCleary group; Old Baldy Copper Mine; Rosa Mine; Hickory; Decatur), Jackson Canyon, Old Baldy Mining District, Pima Co., Arizona, USA |
| 22.6km (14.0 miles) | | ⓘJackson Mine group (McCleary group; Old Baldy Copper Mine; Rosa Mine; Hickory; Decatur), Jackson Canyon, Old Baldy Mining District, Pima Co., Arizona, USA |
| 27.3km (17.0 miles) | | ⓘGlove Mine (Sunrise Mine), Glove Mine group (Zombie & Zeco claims; Festiago-Franklin; Blacksmith adit), Cottonwood Canyon, Tyndall Mining District, Santa Cruz Co., Arizona, USA |
| 28.8km (17.9 miles) | | ⓘDakota shaft, Amole Mining District, Tucson Mountains, Pima Co., Arizona, USA |
| 30.5km (19.0 miles) | | ⓘOld Mission Mine (Old Bat Mine), Amole Mining District, Tucson Mountains, Pima Co., Arizona, USA |
| 33.9km (21.1 miles) | | ⓘJersey Girl Mine (Jersey Girl prospect), Toluachi group of claims (Toluachi group; Bonanza tunnel; Tennantite claim), Salero area, Tyndall Mining District, Santa Cruz Co., Arizona, USA |
| 34.4km (21.4 miles) | | ⓘCerro Colorado Mine (Heintzelman Mine; Silver Queen Mine), Cerro Colorado Mining District, Cerro Colorado Mountains, Pima Co., Arizona, USA |
| 37.3km (23.2 miles) | | ⓘForty-nine Mine (Forty Nine Mine; 49 Mine), Prince Mine group, Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group), Copper Camp, Hilton (Lead Mountain), Empire Mining District, Empire Mountains, Pima Co., Arizona, USA |
| 37.4km (23.2 miles) | | ⓘChief Mine (Chief claim), Prince Mine group, Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group), Copper Camp, Hilton (Lead Mountain), Empire Mining District, Empire Mountains, Pima Co., Arizona, USA |
| 38.9km (24.2 miles) | | ⓘHilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group), Copper Camp, Hilton (Lead Mountain), Empire Mining District, Empire Mountains, Pima Co., Arizona, USA |
