Akermanite-Gehlenite & Andradite
Akermanite-Gehlenite & Andradite
N'Chwaning I Mine, Kalahari Manganese Field, Northern Cape, South Africa
Size: 3.1 x 2.3 x 1.7 cm (Miniature)
The specimen has aligned epitaxial fibrous crystals of akermanite-gehlenite on manganoan calcite. This would be a rare set of minerals for the locality. These minerals have formed over a thin deposit of light red andradite made of a layer of small crystals on and inside of the matrix. The gehlenite is made up of tiny fibrous crystals something like grass seeds. The xrd analysis can be emailed.
Couldn't load pickup availability
🏆 Shop with Confidence! Our specimens are 100% authentic, securely packaged, and shipped fast.
💬 Have questions about this specimen? Contact us - we're happy to help! Click here to contact us.
SKU:SAMS-296
View full details
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:
- Items on sale
Return Conditions
- Items must be returned in their original condition; otherwise, the buyer may be responsible for any loss in value.
Payment Information
Payment Options
We currently accept PayPal payments for orders.
More payment options will be added in the future.
Residents in South Africa can request an invoice that can be paid via card or eft.