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A cluster of acicular vonsenite crystals on a magnetite matrix, found by me in the early 1990s at the famous Monchi iron mine in Burguillos del Cerro, Badajoz, Spain. Vonsenite is a rare borate that in Spain was only found in this mine, which is now inactive.
| Shipping Weight | 0,150 kg |
|---|---|
| Dimensions | 9,2 × 2,6 × 1,7 cm |
| Locality | Monchi Mine, Burguillos del Cerro, Badajoz, Spain |
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| Mineral Species | Vonsenite |
|---|---|
| Formula | Fe₂FeO₂(BO₃) |
| Crystal System | Orthorhombic |
| Family | Borate |
| Hardness | 5 |
Shipping Rates (EUR)
Domestic (Spain)
0–0.49 kg: 5
0.5–1 kg: 7.5
1–2 kg: 8
+ per kg over 2 kg: 1
Europe
0–0.49 kg: 25
0.5–1 kg: 28
1–2 kg: 38
+ per kg over 2 kg: 8
USA
0–0.49 kg: 25
0.5–1 kg: 32
1–2 kg: 38
+ per kg over 2 kg: 10
UK
0–0.49 kg: 25
0.5–1 kg: 28
1–2 kg: 38
+ per kg over 2 kg: 8
Rest of world
0–0.49 kg: 26
0.5–1 kg: 32
1–2 kg: 39
+ per kg over 2 kg: 10
Refund Policy
Auction items may be returned only under the following conditions:
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Minor variations in color tone due to lighting or screen differences do not qualify as a valid return reason.
Significant discrepancies in appearance, size, or condition do qualify.
Cancellation / Return / Exchange Policy
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