| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Rock Crystal |
| Formula: | SiO2 |
| Comments: | Occurs in quartz veins in Womble Shale. |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Rock Crystal data |
| Locality Data: | Click here to view Howard-Sheffield Mine, Mt Ida, Montgomery County, Arkansas, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 68685 |
| Long-form Identifier: | 1:3:68685:5 |
| GUID (UUID V4): | 8f795866-93f8-4bcc-be49-dbd358c9552b |
| References |
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| Reference Search (possible matching items) |
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 | | Report (volume) | | Quartz Crystal Deposits of Western Arkansas By A. E. J. ENGEL CONTRIBUTIONS TO GEOLOGICAL ECONOMIC...quartz-bearing formations______1_________________ Crystal Mountain sandstone (Ordovician?) _______________...oscillator-grade quartz__-________________ _______ Crystal forms__._____.__________^._.--___________-_-___...with the quartz_____________ _______________ Wall-rock alteration and replacement-________________-_._-__-_-Relationship..._-__-_-Relationship between vein minerals and type of wall rock.__________ Secondary features related to deform |
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