Lucchesiite
A variety of Tourmaline Group
What is Lucchesiite?
Lucchesiite is a new member of tourmaline-group of minerals. Lucchesiite has the formula CaFe3Al6(Si6O18)(BO3)3(OH)3O. It is the calcium and oxygen-analogue of schorl. It has two co-type localizations, one in Czech Republic and the other in Sri Lanka. As the other members of the tourmaline group, it is trigonal.
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Lucchesiite Localities Map
See where Lucchesiite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Black
- Hardness (Mohs)
- 7
- Density
- 3.226 g/cm³
- Streak
- Grey
Chemical Properties
- Chemical Formula
- CaFe2+3 Al6(Si6O18)(BO3)3(OH)3O
- Elements
- Al, B, Ca, Fe, H, O, Si
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