These crystals typify the gem-quality sugilite specimens from a unique find at the Wessels mine, Kalahari manganese field, South Africa. Desmond Sacco specimen, Bruce Cairncross photo.

This volcanic rock is characterized as aphanitic, meaning it has a fine-grained texture. The mining activities in Wessels Mine contribute to the extraction of valuable manganese resources in the …

Apr 2, 2017 · Those collectors who acquired a Wessel’s mine bustamite back in 2011 are now the lucky owners... 9.1 cm high, Wessels mine, Kalahari Manganese Field, Northern Cape …

Attractive grouping of many light pink scalenohedral Manganoan Calcite crystals in an apparent oriented formation, standing up all over the surface of the matrix. More than 25 crystals are in …

Nov 11, 2024 · Phenakite, sometimes also spelled Phenacite, is a rare beryllium silicate mineral with the chemical formula Be₂SiO₄. Phenakite is prized for its crystal clarity, brilliance, and …

The Wessels mine is a mine located in the west of South Africa in Northern Cape. Wessels represents one of the largest manganese reserve in South Africa having estimated reserves of …

Hydrothermal alteration of the primary Mn ore produced a wealth of well-crystallised minerals. The Wessels Mine is an underground operation situated 300 metres below the surface. Access to …

Original minerals in the host rock are meta- somatically replaced by new minerals, which then often form a sequence of mineralized zones related to the direction of flow of the hydrothermal …

Approx. Measures: 2.3 x 2 x 1.1 cm. Famously used as carving rough, these well crystallized forms appeared out of Wessels mine not many years ago. The weaved fiber aesthetic of the …

Although sugilite is one of the most popular of the “new age” stones, the best material is very rare and even the lower qualities are limited. The colour ranges from deep purple to light violet, …