![](/_resources/images/holfert08-100.jpg) |
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Topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/0427-100.jpg) |
Fe2(Ti,Fe)O5 |
Pseudobrookite on quartz |
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ZOOM |
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![](/_resources/images/durangiterosettes100.jpg) |
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Durangite Rosettes |
Dave Richerson specimen and photo |
ZOOM |
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![](/_resources/images/holfert48-100.jpg) |
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Opaque Topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert42-100.jpg) |
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Topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/041-100.jpg) |
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Garnets on Topaz |
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ZOOM |
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![](/_resources/images/holfertite-100.jpg)
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Holfertite |
Joe Marty specimen and photo |
ZOOM |
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![](/_resources/images/holfert07-100.jpg) |
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Opaque Topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/0009-100.jpg) |
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Thorite, uranoan |
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ZOOM |
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![](/_resources/images/topazonredberyl-100.jpg)
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Topaz on Red Beryl |
Dave Richerson specimen and photo |
ZOOM |
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![](/_resources/images/holfert18-100.jpg) |
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Red Beryl on topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/fluoritetop2-100.jpg)
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Fluorite |
Joe Marty specimen and photo |
ZOOM |
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![](/_resources/images/holfert63-100.jpg) |
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Magnetite altered to Hematite |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert52-100.jpg) |
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Topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/bixbyiteontopaz-100.jpg) |
(Mn,Fe)2O3 |
Bixbyite on Topaz |
Dave Richerson specimen and photo |
ZOOM |
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![](/_resources/images/holfert47-100.jpg) |
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Red Beryl on rhyolite |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert61-100.jpg) |
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Cassiterite (wood tin) |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert69a-100.jpg)
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Durangite |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert15-100.jpg) |
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Topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert02-100.jpg)
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Bixbyite on altered garnet |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert04-100.jpg) |
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Bixbyite on topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert23-100.jpg)
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Red Beryl on topaz |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/holfert39-100.jpg) |
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Red Beryl |
Courtesy John Holfert /Jeff Scovil photo |
ZOOM |
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![](/_resources/images/0437-100.jpg) |
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Garnets on topaz |
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ZOOM |
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