Provenite

Sawtooth Mountains (Sawtooth batholith)

AreaDraft data

43.9533° N, 114.9906° W · Region only

Aquamarine from Idaho, United States, with photos of specimens from this locality.

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Minerals found here

Aquamarine

Aquamarine at Sawtooth Mountains (Sawtooth batholith)

Small blue aquamarine crystal group about 1.7 cm from the Sawtooth batholith, Boise County, Idaho.
Small blue aquamarine crystal group about 1.7 cm from the Sawtooth batholith, Boise County, Idaho.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Blue aquamarine specimen about 2.7 cm from the Sawtooth batholith, Boise County, Idaho.
Blue aquamarine specimen about 2.7 cm from the Sawtooth batholith, Boise County, Idaho.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Slender blue aquamarine crystal 2.7 cm long from the Sawtooth Mountains, Idaho.
Slender blue aquamarine crystal 2.7 cm long from the Sawtooth Mountains, Idaho.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Terminated blue aquamarine crystal 3.8 cm long from the Sawtooth Mountains, Idaho.
Terminated blue aquamarine crystal 3.8 cm long from the Sawtooth Mountains, Idaho.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Blue aquamarine crystal about 3 cm from the Sawtooth Mountains, Idaho.
Blue aquamarine crystal about 3 cm from the Sawtooth Mountains, Idaho.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
Be₃Al₂Si₆O₁₈
Morphology
Small, slender terminated prismatic crystals
Typical size
About 1.5-4 cm
Color / luster
Strong blue
Availability
Unknown
History
Much of the material was dug by Richard Kosnar in the late 1970s

Sources: SRC-745 SRC-266

About Aquamarine →

Geology of the locality

Setting
Eocene Sawtooth batholith (northern Sawtooth Range)
Region
Idaho
Country
United States

Labels say Sawtooth batholith, Boise County. The coordinate is the reference point of the Sawtooth Range article on Wikipedia; the range covers several counties, so the point is regional only.

Sources: SRC-744

Sources

  1. SRC-744 · Website
    Sawtooth Range (Idaho)Wikipedia contributors · Wikipedia
  2. SRC-745 · Website
    File:Beryl-119751.jpgRobert M. Lavinsky · Wikimedia Commons
  3. SRC-266 · Book
    Handbook of Mineralogy - BerylAnthony, J.W.; Bideaux, R.A.; Bladh, K.W.; Nichols, M.C. · 2001 · Mineralogical Society of America / Mineral Data Publishing

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.