| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Amethyst |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | 51 |
| - var Smoky Quartz | 30 |
| - var Sceptre Quartz | 17 |
| Microcline | 4 |
| Muscovite | 3 |
| - var Sericite | 3 |
| Hematite | 2 |
| Goethite | 1 |
| Albite | 1 |
| Opal | 1 |
| - var Hyalite | 1 |
| Data |
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| Mineral Data: | Click here to view Amethyst data |
| Locality Data: | Click here to view Little Gem Mine, Boulder Batholith, Jefferson County, Montana, USA |
| Photo Gallery | View Gallery (42 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 291090 |
| Long-form Identifier: | 1:3:291090:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Amethyst |
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| 1.4km (0.9 miles) | ⓘPohndorf Mine, Toll Mountain, Boulder Batholith, Jefferson County, Montana, USA |
| 2.4km (1.5 miles) | ⓘBald Mountain, Boulder Batholith, Jefferson County, Montana, USA |
| 6.4km (4.0 miles) | ⓘHomestake Pass, Boulder Batholith, Jefferson County, Montana, USA |
| 7.8km (4.8 miles) | ⓘBattlestar Mine, Homestake Mining District, Boulder Batholith, Jefferson County, Montana, USA |
| 9.3km (5.8 miles) | ⓘJanney pegmatite occurrence (Janney Station), Silver Bow County, Montana, USA |
| 12.9km (8.0 miles) | ⓘRootbeer pegmatite, Delmoe Lake area, Boulder Batholith, Jefferson County, Montana, USA |
| 32.8km (20.4 miles) | ⓘDivide, Silver Bow County, Montana, USA |
| 60.0km (37.3 miles) | ⓘRevenue Flats, Madison County, Montana, USA |
| 72.0km (44.7 miles) | ⓘCrystal Park, Elkhorn Hot Springs area, Pioneer Mountains, Beaverhead County, Montana, USA |
| 83.3km (51.8 miles) | ⓘPriest Pass pegmatite, Boulder Batholith, Lewis and Clark County, Montana, USA |
| References |
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Little Gem Mine, Boulder Batholith, Jefferson County, Montana, USA