Provenite

Kenticha mine

MineUnknownDraft data

5.5167° N, 39.0333° E · ± 1 km

Microcline from Oromia, Ethiopia, with photos of specimens from this locality.

View on the map

Minerals found here

Microcline

On the same specimen

Same specimen Albite with Microcline

1 specimen photo(s) from this locality show microcline with albite together. The pairing comes from the photographer's file name and label, so the relationship between the two minerals is not specified.

Microcline at Kenticha mine

Intensely turquoise amazonite crystal from the Kenticha mine.
Intensely turquoise amazonite crystal from the Kenticha mine.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Blue amazonite crystals embedded in white microcline, Kenticha mine.
Blue amazonite crystals embedded in white microcline, Kenticha mine.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Large amazonite crystal with two smaller ones and white microcline, Kenticha mine.
Large amazonite crystal with two smaller ones and white microcline, Kenticha mine.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Very large complete amazonite crystal from the Kenticha find.
Very large complete amazonite crystal from the Kenticha find.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Powder-blue amazonite crystals with snow-white albite, Kenticha mine.
Powder-blue amazonite crystals with snow-white albite, Kenticha mine.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
KAlSi₃O₈
Morphology
Sharp, symmetrical amazonite crystals, often set in or on white microcline
Typical size
Crystals to about 10 cm; specimens to about 19 cm (one crystal 2130 g)
Color / luster
Amazonite: deep robin's-egg blue to turquoise
Associated minerals
White microclinealbite
Availability
Unknown
History
A notable amazonite find at the mine yielded complete crystals of over 2 kg

Sources: SRC-573

About Microcline →

Geology of the locality

Setting
Rare-element pegmatite of the Kenticha pegmatite field, worked for tantalum and later lithium.
Region
Oromia
Country
Ethiopia

Coordinates from the Wikipedia article (given to the nearest arc-minute). Tantalum mining ran from 1990 to 2017; current status unclear.

Sources: SRC-564

Sources

  1. SRC-564 · Website
    Kenticha mineWikipedia contributors · Wikipedia
  2. SRC-573 · Website
    File:Microcline-182787.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.