Provenite

Stak Nala

Natural outcropUnknownDraft data

35.4969° N, 75.4292° E · ± 10 km

Albite and Elbaite from Skardu District, Pakistan, with photos of specimens from this locality.

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Minerals found here

AlbiteElbaite

Albite at Stak Nala

Elbaite with pink and green terminations on albite, Stak Nala.
Elbaite with pink and green terminations on albite, Stak Nala.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Elbaite tourmaline with white albite, Stak Nala.
Elbaite tourmaline with white albite, Stak Nala.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Translucent tourmaline crystal on albite, Stak Nala.
Translucent tourmaline crystal on albite, Stak Nala.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
NaAlSi₃O₈
Morphology
Albite crystals and aggregates as matrix to elbaite
Typical size
Specimens about 4 to 6 cm
Color / luster
White
Associated minerals
Elbaite
Availability
Unknown
History
Elbaite-on-albite combinations were found mainly in the late 1980s

Sources: SRC-542

About Albite →

Elbaite at Stak Nala

Zoned elbaite crystal on cleavelandite, labelled Stak Nala, Haramosh Mountains.
Zoned elbaite crystal on cleavelandite, labelled Stak Nala, Haramosh Mountains.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
Na(Li₁.₅Al₁.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Morphology
Zoned prismatic crystal on matrix
Typical size
Specimen about 3.6 cm
Color / luster
Zoned from light pink through colorless to yellow-green, olive and dark green
Associated minerals
Cleavelandite (albite)

Sources: SRC-260

About Elbaite →

Geology of the locality

Setting
Pegmatite locality in the Haramosh Mountains (per specimen label).
Region
Skardu District
Country
Pakistan

Specimen label dates the find to late fall 2005. Coordinates not filled: no coordinate source could be opened in this session. Coordinates: Coordinate of the Stak Valley (Wikipedia infobox, 35°29'49"N 75°25'45"E), assumed to contain Stak Nala. Mindat places Stak Nala in the Haramosh Mts. on the Gilgit-Skardu road, about 70 km east of Gilgit, but gives no coordinates; the Wikipedia page does not mention Stak Nala by name or any pegmatite, so the link is by name only. Pegmatite workings location unverified. Coordinates: Coordinate of the Stak Valley (Wikipedia infobox, 35°29'49"N 75°25'45"E), assumed to contain Stak Nala. Mindat places Stak Nala in the Haramosh Mts. on the Gilgit-Skardu road, about 70 km east of Gilgit, but gives no coordinates; the Wikipedia page does not mention Stak Nala by name or any pegmatite, so the link is by name only. Pegmatite workings location unverified. Coordinates: Coordinate of the Stak Valley (Wikipedia infobox, 35°29'49"N 75°25'45"E), assumed to contain Stak Nala. Mindat places Stak Nala in the Haramosh Mts. on the Gilgit-Skardu road, about 70 km east of Gilgit, but gives no coordinates; the Wikipedia page does not mention Stak Nala by name or any pegmatite, so the link is by name only. Pegmatite workings location unverified.

Sources: SRC-260 SRC-301

Sources

  1. SRC-260 · Website
    File:Elbaite-139680.jpgRobert M. Lavinsky (photo); Wikimedia Commons · 2010 · Wikimedia Commons (via download.osmand.net mirror)
  2. SRC-301 · Website
    Stak Valley - Wikipedia
  3. SRC-542 · Website
    File:Albite-Elbaite-d06-13a.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.