Gemmology
English | Български
Where am I? > Home > Repository > Spessartine


Gallery view selector

Colour selector
Simple colour schemeredorangey redreddish orangeorangeorangey yellowyellowgreenish yellowyellowish greenslightly yellowish greengreenvery slightly bluish greenbluish greenvery strongly bluish greengreen-blue or blue-greenvery strongly greenish bluevery slightly greenish bluebluevioletish bluebluish violetvioletbluish purplepurplereddish purplestrongly purplish redslightly purplish redcolourlessgreyblack
Spessartine — specimen 0156, photo © NMNHS
Spessartine — specimen 0156, photo © NMNHS

Spessartinespecimen 0156

Origin

West Africa
Nigeria
Spessartine — specimen 0156, locality map
Data

Weight: 3.65 ct; size: 10.19 | 7.51 | 5.52 mm; shape: oval; colour: medium red; very slightly brownish; clarity: eye clean; cut: fair; treatment: none.
Notes

Very clean specimen; mixed style cut.

Other specimens
Spessartine — specimen 0049Spessartine — specimen 0098Spessartine — specimen 0450Spessartine — specimen 0652Spessartine — specimen 0633Spessartine — specimen 0441

More information from ‘Classification’


Common in granite pegmatites, granites, and rhyolites. Formed in some skarns and metasomatic manganese-rich rocks adjacent to igneous intrusions or in regionally metasomatised areas (Anthony et al., 2001—2005).