Manganoan Calcite on Goethite
Manganoan Calcite on Goethite
N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa.
Size: 5.2 x 3.5 x 4.1 cm (Small Cabinet)
An attractive specimen here of shattuckite on a host matrix of massive quartz. The shattuckite is in a botryoidal form which has formed a shallow basin on one end. Along the edges of the shattuckite one can see the acicular radial form. The colour of the shattuckite is soft sky blue and darker on the exposed edges. There is also plancheite on the underside.
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SKU:SAMS-208
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Mineral Sizing Guide
Understanding mineral sizes can help you choose the perfect specimen for your collection. Below is our guide to the standard size categories we use:
| Category |
Size |
Info |
| Thumbnail |
Up to 3 cm |
Thumbnails are small but well-formed mineral specimens that are perfect for display in thumbnail cases. |
| Miniature |
Up to 5 cm |
Great balance between size and detail - larger than thumbnails but still compact enough for easy storage and display. |
| Small-Cabinet |
Up to 9.4 cm |
Small-cabinet specimens offer larger crystal formations while still being easy to handle and display. |
| Cabinet |
Over 9.4 cm |
Ideal for prominent display pieces in a collection. Larger crystal formations and structure. |
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