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.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Lucchesiite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Lucchesiite Localities Map
See where Lucchesiite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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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Lucchesiite FAQs
How do I identify Lucchesiite?
Lucchesiite can be identified by its hardness of 7 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Lucchesiite?
Lucchesiite typically appears in Black. Color can vary depending on impurities and formation conditions.
How hard is Lucchesiite?
Lucchesiite has a hardness of 7 on the Mohs scale. This makes it a relatively hard mineral suitable for jewelry.
