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Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2 | |
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Henty Mine, Tyndall Valley, Tasmania, Australia Width of field is 3.2 mm. Collection of Jesse Crawford. The depth of field has been enhanced using Helicon Focus (12 exposures). Equipment: Nikon D-100 on a homemade microscope. |
| © 2008 Jesse Crawford | Photo ID: 174581 View Count: 91 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2, Quartz : SiO2 | |
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Renison Bell Mine, North Dundas, Zeehan district, Tasmania, Australia Ankerite on quartz in vughs in tin sulphide ore. A sweet little specimen I collected in 1975 whilst at Uni - one of my first Tasmanian specimens, before I came to live here. FOV: 25mm. |
| © R. Bottrill | Photo ID: 202572 View Count: 158 |
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Renison Bell Mine, North Dundas, Zeehan district, Tasmania, Australia Closeup FOV of about 50mm of a 120mm wide specimen of sharp Ankerite crystals with micro pyrites. Specimen was labeled Ankerite but may be either calcite or dolomite. Ex K. Lanceaster collection. Specimen and Photograph A. Tuma, N-D60.105m |
| © Andrew Tuma | Photo ID: 266898 View Count: 5 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2, Quartz : SiO2 | |
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Ballarat, Victoria, Australia Ankerite crystals in a cavity in quartz. Field of view: 9mm. |
| © Judy Rowe | Photo ID: 209243 View Count: 79 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2, Limonite : FeO(OH)·nH2O, Calcite : CaCO3 | |
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Gjaidtroghöhe Mt., Große Fleiß valley, Goldberg group, Hohe Tauern Mts, Carinthia, Austria Well positioned cluster of rhombohedral ankerite crystals (not analysed), surface replaced by limonite, liberally sprinkled white translucent calcite. Overall size : 11 x 5 cm Ex Gerd Stefanik collection |
| © Gerd Stefanik | Photo ID: 169036 View Count: 179 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2, Quartz (Var: Smoky Quartz) : SiO2 | |
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Southwest face, Hocharn Mt., Große Fleiß valley, Goldberg group, Hohe Tauern Mts, Carinthia, Austria Ankerite xx (not analysed) cover smoky quarz. Size : 11 x 17 cm Gerd Stefanik collection |
| © Gerd Stefanik | Photo ID: 160022 View Count: 155 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2 | |
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Grieswies - Krumlkeeskopf Mt. area, Hüttwinkl valley, Rauris valley, Hohe Tauern Mts, Salzburg, Austria Well positioned group of rhombic ankerite crystals, covered by dark brown limonite skin atop quartz, associated with pericline. Height : 8 cm Gerd Stefanik collection |
| © Gerd Stefanik | Photo ID: 262720 View Count: 18 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2 | |
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Styrian Erzberg, Eisenerz, Styria, Austria Translucent sharp ankerite rhombs are attached on white ankerite xls. FOV : 5 cm Ex Gerd Stefanik collection |
| © Gerd Stefanik | Photo ID: 241393 View Count: 50 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2 | |
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Styrian Erzberg, Eisenerz, Styria, Austria A 6.5 cm specimen of Ankerite crystals. Ex Philadelphia Academy of Natural Sciences #6101 and Clarence Bement. C. Stefano specimen #3148. |
| © C. Stefano '09 | Photo ID: 249116 View Count: 40 |
Ankerite : Ca(Fe2+ ,Mg,Mn2+)(CO3)2 | |
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Styrian Erzberg, Eisenerz, Styria, Austria 2 cm cluster of translucent ankerite crystals. S411-220 Excalibur Mineral specimen. |
| © 2009, JGW | Photo ID: 253807 View Count: 15 |
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