Calcite, Ettringite on Brucite
Calcite, Ettringite on Brucite
Wessels Mine, Kalahari Manganese Field, Northern Cape, South Africa
Size: 5.7 x 7.1 x 4.8 cm (Small Cabinet)
The specimen has ettringite with calcite on a matrix of brucite. The matrix includes a shallow recess that extends laterally into a deep cavity. The cavity includes an impressive spray of euhedral ettringite crystals opening onto a ledge and sweeping around onto another side packed with ettringite. The combination of canary yellow ettringite with the pale blue green brucite creates an attractive colour presence. The ettringite measure from small to 1.2cm. The ettringite do have some abrasions.
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SKU:SAMS-236
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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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