History · Geology
About Murun Massif
The Murun massif on the Chara River, Sakha Republic (eastern Russia), is the unique world locality for charoite — the lilac-purple potassium-rich silicate that became a staple of Russian gem markets after its 1978 description.
Geology
The Murun complex is a peralkaline syenite-pyroxenite intrusion of late Mesozoic age, producing charoitite (charoite-rich rock) and an unusual array of K-Sr-Ba-Ti silicates found nowhere else.
Notable Minerals
Charoite (lilac fibrous swirling masses), aegirine (black needles in charoitite), tinaksite (orange K-Ca-Ti silicate), tausonite (Sr titanate), feldspar, strontianite. Many are restricted-locality species.
Collector Notes
Charoite is sold mostly as cabochons and slabs. Top “purple dragon” pattern material commands premium prices in Asian and Russian markets. Mining is sporadic; supply is genuinely limited.
Minerals Produced Here
- Aegirine (霓辉石)
- Charoite (紫龙晶)
- Strontianite (碳酸锶矿)
