136 Gram Sturmannite and manganite - Nchwaning II mine South Africa
2.6”x 1.5 × 1.1”
136 Gram Sturmannite and manganite - Nchwaning II mine South Africa
2.6”x 1.5 × 1.1”
136 Gram Sturmannite and manganite - Nchwaning II mine South Africa
2.6”x 1.5 × 1.1”
