|  | | | Distorted calcite guest crystal with 'treacle' colour swirls in unheated Mogok Ruby. Calcite is a common inclusion in Mogok rubies and treacle is a unique inclusion to these stones. | | | | | |  | | | Clusters of apatite guest crystals in unheated Mogok Ruby. | | | | | |  | | | Un-dissolved rutile 'silk' in unheated Mogok Ruby. This inclusion is evidence the stone has not undergone high temperature heat-treatment. | | | | | |  | | | Apatite and calcite guest crystals reflecting on the internal facets of an unheated Mogok Ruby. | | | | | |  | | | A cluster of apatite guest crystals in an unheated Mogok Ruby. | | | | | |  | | | Guest crystals in an unheated Mogok Ruby. | | | | | |  | | | Treacle colour swirls in unheated Mogok Ruby, an inclusion unique to Mogok rubies. | | | | | |  | | | Calcite guest crystals with treacle colour swirls in unheated Mogok Ruby. | | | | | |  | | | Calcite guest crystals with treacle colour swirls in unheated Mogok Ruby. | | | | | |  | | | Calcite guest crystals in unheated Mogok Ruby. | | | | | | | |
