Provenite

Marilac

AreaDraft data

18.5081° S, 42.0839° W · ± 10 km

Albite from Minas Gerais, Brazil, with photos of specimens from this locality.

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Minerals found here

Albite

Albite at Marilac

Doubly terminated quartz crystals on a knob of albite crystals, Marilac.
Doubly terminated quartz crystals on a knob of albite crystals, Marilac.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Second view of the quartz on albite specimen, Marilac.
Second view of the quartz on albite specimen, Marilac.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Detail of albite crystals under quartz, Marilac.
Detail of albite crystals under quartz, Marilac.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
NaAlSi₃O₈
Morphology
Knob of albite crystals carrying quartz
Typical size
Specimen about 8 cm
Color / luster
White
Associated minerals
Quartztourmaline
Availability
Unknown

Sources: SRC-555

About Albite →

Geology of the locality

Region
Minas Gerais
Country
Brazil

Specimen label names only the municipality (a small tourmaline mine near Marilac); coordinate is the town from GeoNames.

Sources: SRC-535

Sources

  1. SRC-535 · Database
    GeoNames search: Marilac, BrazilGeoNames · GeoNames
  2. SRC-555 · Website
    File:Albite-Quartz-rhqtz-22a.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.