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Tourmaline from
Ropes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Marquette Co., Michigan, USA

Locality type:Mine
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:A(D3)G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
References
References:Mineralogy of Michigan (2004) Heinrich & Robinson
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Ropes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Marquette Co., Michigan, USA
Nearest other occurrences of Tourmaline
1.8km (1.1 miles) A Bjork & Lundin gold prospect, North Lake, Marquette Co., Michigan, USA
4.1km (2.6 miles) B Michigan Mine (Michigan Gold Mine), North Lake, Ely Township, Marquette Co., Michigan, USA
9.5km (5.9 miles) C Milwaukee-Davis Mine (Milwaukee; Davis; Wheeling; Grand Rapids), Negaunee, Marquette iron range, Marquette Co., Michigan, USA
12.3km (7.6 miles) D High Point Gold prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Marquette Co., Michigan, USA
14.9km (9.2 miles) E Humboldt Mine (Edwards Mine), Humboldt Township, Marquette iron range, Marquette Co., Michigan, USA
15.1km (9.4 miles) F New Humboldt Mine (Ampson; Washington; Baron; And; Humboldt Workings; New Humboldt Mine-Includes: Old S), Marquette iron range, Marquette Co., Michigan, USA
21.0km (13.1 miles) G Champion Mine (Beacon Mine), Champion, Marquette iron range, Marquette Co., Michigan, USA
24.4km (15.2 miles) H Republic Mine, Republic, Marquette Iron Range, Marquette Co., Michigan, USA
30.2km (18.8 miles) I Magnetic Mine, Republic, Marquette iron range, Marquette Co., Michigan, USA
62.3km (38.7 miles) J Sturgeon River Pegmatite Quarry, Menominee iron range, Dickinson Co., Michigan, USA
63.2km (39.3 miles) K Groveland Mine, Randville, Menominee iron range, Dickinson Co., Michigan, USA
82.9km (51.5 miles) L Millie Mine, Menominee iron range, Dickinson Co., Michigan, USA
83.4km (51.8 miles) M Chapin Mine, Iron Mountain, Menominee iron range, Dickinson Co., Michigan, USA
83.4km (51.8 miles) N West Vulcan Mine, Vulcan, Menominee iron range, Dickinson Co., Michigan, USA
88.1km (54.7 miles) O Payant-Chrissman prospect (Florence County prospect), Aurora, Florence Co., Wisconsin, USA
90.0km (55.9 miles) P Animikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence Co., Wisconsin, USA
144.7km (89.9 miles) Q Ontonagon Silver Mine, Silver City, Ontonagon Co., Michigan, USA
144.8km (90.0 miles) R Cleveland Mine, Ontonagon Co., Michigan, USA
144.9km (90.0 miles) S Collins Mine, Ontonagon Co., Michigan, USA
146.0km (90.8 miles) T Scranton Mine, Silver City, Ontonagon Co., Michigan, USA
147.4km (91.6 miles) U Nonesuch Mine, White Pine, Ontonagon Co., Michigan, USA
Mineral and/or Locality  
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