Provenite

Guaratinga (Jaquetô)

AreaDraft data

16.5820° S, 39.7812° W · ± 10 km

Aquamarine from Bahia, Brazil, with photos of specimens from this locality.

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Minerals found here

Aquamarine

Aquamarine at Guaratinga (Jaquetô)

Transparent, complete aquamarine floater crystal 14 cm long from the Jaquetô mine, Guaratinga, Bahia, Brazil.
Transparent, complete aquamarine floater crystal 14 cm long from the Jaquetô mine, Guaratinga, Bahia, Brazil.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Doubly terminated aquamarine crystal from Jaquetô, Guaratinga, Bahia, Brazil.
Doubly terminated aquamarine crystal from Jaquetô, Guaratinga, Bahia, Brazil.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Complete 147-gram aquamarine floater crystal from Jaquetô, Guaratinga, Brazil.
Complete 147-gram aquamarine floater crystal from Jaquetô, Guaratinga, Brazil.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Etched, light greenish-blue gem aquamarine crystal with tapered ends from Jaquetô, Guaratinga, Brazil.
Etched, light greenish-blue gem aquamarine crystal with tapered ends from Jaquetô, Guaratinga, Brazil.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
Be₃Al₂Si₆O₁₈
Morphology
Complete prismatic floater crystals, some doubly terminated, some etched with tapered ends
Typical size
About 5-14 cm
Color / luster
Light greenish blue to blue, transparent
Surface features
Some crystals etched
Availability
Unknown

Sources: SRC-761

About Aquamarine →

Geology of the locality

Region
Bahia
Country
Brazil

Specimens are labelled Jaquetô (Jaqueto mine), Guaratinga; the mine itself was not located, so the coordinate is Guaratinga town from GeoNames.

Sources: SRC-760

Sources

  1. SRC-760 · Database
    GeoNames search: Guaratinga, BrazilGeoNames · GeoNames
  2. SRC-761 · Website
    File:Beryl-164102.jpgRobert M. Lavinsky · Wikimedia Commons

Draft data from the Provenite workbook. Check entries against the cited sources before relying on them. Photos are open-licence images from Wikimedia Commons; the author and licence are given with each photo.