Braunite-I Mineral Gallery

Braunite-I Mineral Gallery
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Braunite-I Minerals


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Braunite-I Mineral Gallery With 3 Images

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Braunite-I: Mn++Mn+++6SiO12  
Braunite-II: Mn++Mn+++6SiO12

Comments: Crystals of braunite.
Location: Black Rock Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Crystal size 1.3 cm.
© John Veevaert

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Braunite-I: Mn++Mn+++6SiO12  
Donpeacorite: (Mn,Mg)MgSi2O6

Comments: Brown crystalline massive donpeacorite with dark brown black braunite.
Location: Zinc Corporation of America Mine #4, Balmat, Saint Lawrence County, New York, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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Braunite-I: Mn++Mn+++6SiO12  
Macfallite: Ca2(Mn+++,Al)3(SiO4)(Si2O7)(OH)3  
Johnsenite-(Ce): Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2

Comments: Tiny - less than 1mm - maroon crystals of mcfallite suspended as inclusions in massive quartz along with larger spots of brown johnsenite-(Ce) and braunite.
Location: Artur mine, Jaguaracu, Minas Gerais, Brazil. Scale: Overall 3 x 2.5 slab.
© Tom Loomis / Dakota Matrix
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