Elbaíta Verdelita
Elbaíta is a mineral with formula Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, in the Silicatos (Ciclosilicatos) group. This specimen comes from Minas Gerais, Sudeste, Brasil and joined the Terrium collection in 2021.
Description
Slender, translucent prism of very pale green, with fine longitudinal striation and clean faces. Irregular but natural termination, with good transparency and slight internal inclusions visible in transmitted light.
About Elbaíta
Pale green elbaite typical of Brazilian granitic pegmatites, a member of the lithium-rich tourmaline subgroup.
About the locality
Classic pegmatite province with abundant tourmalines in every green shade, famed for fine, transparent crystals.
Technical data
- Catalogue No.
- 0359
- Composition
- Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
- Name
- Elbaíta
- Variety
- Verdelita
- Group
- Silicatos (Ciclosilicatos)
- Category
- Estélites
- Province
- Minas Gerais
- Region
- Sudeste
- Country
- Brasil
- Size (cm)
- 1 x 0.4 x 0.4
- Weight
- 0.1 g
- Acquired
- 2021
- Ex-collection
- Diego Navarro
- Etymology
- From the German "Turmalin", derived from the Sinhalese "turmali", a name historically applied to mixtures of multicoloured crystals.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Ágatha — Brasil
- Berilo (Aguamarina) — China
- Berilo (Aguamarina) — Pakistán
- Berilo (Aguamarina) — Namibia
- Berilo (Aguamarina) — Myanmar
- Cianita — Brasil
- Cianita (Negra) — Brasil
- Cianita (Negra (Taramita)) — Brasil