Turmalina Indicolita zonada «blue cap»
Turmalina is a mineral with formula , in the Silicatos group. This specimen comes from Alpes (prob.).
Description
Zoned tourmaline crystal with a blue-green termination and a pale green body.
History of this specimen
I was given this piece without its original label. The former owner was from the region of northern Italy, southern Switzerland and Austria. Exact provenance undocumented.
About Turmalina
Blue to blue-green tourmaline (indicolite).
About the locality
Undocumented provenance; compatible with Alpine material from an old collection.
Technical data
- Catalogue No.
- 0483
- Name
- Turmalina
- Variety
- Indicolita zonada «blue cap»
- Group
- Silicatos
- Category
- Estélites
- Region
- Alpes (prob.)
- Size (cm)
- 2.8 x 0.7 x 0.6
- Weight
- 3.5 g
- Etymology
- From Sinhala "turamali", a term for stones of varied colours.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Aerinita (fibrosa) — España
- Apofilita — India
- Arfvedsonita —
- Asbesto —
- Atacamita — Chile
- Benitoita —
- Boltwoodita — Namibia
- Boltwoodita — Estados Unidos