Provenite

Araçuaí

AreaUnknownDraft data

16.8500° S, 42.0700° W · ± 10 km

Beryl, Citrine and Morganite from Minas Gerais, Brazil, with photos of specimens from this locality.

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Minerals found here

BerylCitrineMorganite

Beryl at Araçuaí

Sceptre-shaped beryl crystal with a hexagonal head on an etched stalk, with schorl, from Araçuaí, Minas Gerais, Brazil.
Sceptre-shaped beryl crystal with a hexagonal head on an etched stalk, with schorl, from Araçuaí, Minas Gerais, Brazil.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Another view of a sceptred beryl crystal with schorl from Araçuaí, Minas Gerais, Brazil.
Another view of a sceptred beryl crystal with schorl from Araçuaí, Minas Gerais, Brazil.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
Be₃Al₂Si₆O₁₈
Morphology
Sceptre: hexagonal head on a narrower etched prism
Typical size
About 5.6 cm on the pictured specimen
Associated minerals
Schorl
Surface features
Etched prism
Availability
Unknown

Sources: SRC-714

About Beryl →

Citrine at Araçuaí

Transparent amber-coloured citrine crystals from the Araçuaí area, Minas Gerais.
Transparent amber-coloured citrine crystals from the Araçuaí area, Minas Gerais.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Cabinet-size citrine specimen with a hoppered termination from the Araçuaí area, 12.6 cm.
Cabinet-size citrine specimen with a hoppered termination from the Araçuaí area, 12.6 cm.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Cabinet-size citrine crystal specimen from the Araçuaí area, 14.7 cm.
Cabinet-size citrine crystal specimen from the Araçuaí area, 14.7 cm.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
SiO₂
Morphology
Prismatic crystals, one specimen with a hoppered termination
Typical size
Cabinet specimens roughly 12-15 cm
Color / luster
Amber, transparent crystals; described by the seller as natural colour

Sources: SRC-458 SRC-450 SRC-451

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Morganite at Araçuaí

Two flattened gem morganite crystals with rotated hexagonal phantoms from Aracuai, Minas Gerais.
Two flattened gem morganite crystals with rotated hexagonal phantoms from Aracuai, Minas Gerais.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
Be3Al2Si6O18
Morphology
Flattened hexagonal crystals grown side by side, with rotated hexagonal phantoms
Color / luster
Pink, gemmy
Surface features
Internal hexagonal phantoms

Sources: SRC-841 SRC-852

About Morganite →

Geology of the locality

Setting
Town in the Jequitinhonha valley within the Araçuaí pegmatite district, where pegmatites are worked for feldspar, gem minerals and quartz crystals.
Region
Minas Gerais
Country
Brazil

Coordinates of the town from Wikipedia; the citrine specimens are only located to the Araçuaí area.

Sources: SRC-450 SRC-451

Sources

  1. SRC-450 · Website
    AraçuaíWikipedia contributors · Wikipedia
  2. SRC-451 · Article
    PEG2009 Pre-symposium field trip guide: Eastern Brazilian Pegmatite Province (Minas Gerais)Various authors · 2009 · Estudos Geológicos (UFPE)
  3. SRC-714 · Website
    File:Beryl-Schorl-34668.jpgRobert M. Lavinsky · Wikimedia Commons
  4. SRC-458 · Website
    File:Quartz-60953.jpg (Wikimedia Commons)Robert M. Lavinsky (photographer) · Wikimedia Commons
  5. SRC-841 · Website
    Morganite Value, Price, and Jewelry InformationArem, J.E.; Clark, D.; Smigel, B. · 2025 · International Gem Society
  6. SRC-852 · Website
    File:Beryl-34659.jpg (Wikimedia Commons)Robert 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.