Olmiite & Calcite
Olmiite & Calcite
N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa
Size: 2.3 x 3 x 2.3 cm (Thumbnail)
The specimen is a twinned crystal ball. Olmiite formed into a twinned aggregate ball formation of lustrous translucent brown crystals. The small specimen is impressive as the ball formation takes up most of the form. There is some minor white baryte with a few calcite crystals as well as tiny andradite.
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SKU:SAMS-161
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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. |
Shipping & Returns
Secure Packaging
Minerals are securely packaged to prevent any damage during transit.
Estimated Delivery Times
- Asia Pacific: 3–6 business days
- South Africa: 3–6 business days
- Australia, New Zealand & Oceania: 3–6 business days
- Europe: 3–6 business days
Latin America & the Caribbean: 3–6 business days - North America: 3–6 business days
Orders are dispatched within 2–3 days. While we strive to meet these estimates, delivery times cannot be guaranteed.
Customs & Import Taxes
Buyers are responsible for any customs and import taxes that may apply. We are not responsible for delays caused by customs.
Returns & Exchanges
We gladly accept returns.
- Contact us within: 3 days of delivery
- Return items within: 7 days of delivery
We do not accept exchanges or cancellations. However, if you have any issues with your order, please reach out.
Non-Returnable Items
Unless damaged or defective upon arrival, we cannot accept returns for:
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Return Conditions
- Items must be returned in their original condition; otherwise, the buyer may be responsible for any loss in value.
Payment Information
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