Provenite

Azcarate Quarry (Eugui)

QuarryActiveDraft data

42.9786° N, 1.5111° W · ± 10 km

Dolomite from Navarre, Spain, with photos of specimens from this locality.

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Minerals found here

Dolomite

Dolomite at Azcarate Quarry (Eugui)

Transparent, highly lustrous rhombohedra and penetration twins, among the classic gemmy dolomites

Water-clear, highly lustrous penetration-twinned dolomite crystal.
Water-clear, highly lustrous penetration-twinned dolomite crystal.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Transparent dolomite rhomb about 4 cm tip to tip, intergrown with a smaller crystal.
Transparent dolomite rhomb about 4 cm tip to tip, intergrown with a smaller crystal.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Stacked, interpenetrating lustrous dolomite rhombohedra.
Stacked, interpenetrating lustrous dolomite rhombohedra.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Gemmy dolomite rhomb from the Eugui quarries.
Gemmy dolomite rhomb from the Eugui quarries.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Gemmy dolomite crystal group from Eugui.
Gemmy dolomite crystal group from Eugui.
Photo: Robert M. Lavinsky · CC BY-SA 3.0 · Source
Formula
CaMg(CO₃)₂
Morphology
Sharp rhombohedra, single or stacked and interpenetrating
Typical size
Crystals commonly 2-5 cm
Color / luster
Colourless to pale, transparent to translucent; highly lustrous
Associated minerals
Magnesite
Twins
Penetration twins

Sources: SRC-503 SRC-471 SRC-478 SRC-472

About Dolomite →

Geology of the locality

Setting
Magnesite quarry; one of the three cuts (Asturreta, Azcarate, Lavasar) of the Eugui magnesite mines
Region
Navarre
Country
Spain

Coordinates are those of Eugui village (Esteribar); the quarry lies near the village.

Sources: SRC-478 SRC-479 SRC-471

Sources

  1. SRC-478 · Website
    Azcarate Quarry (Cantera Azcarate), Eugui, Esteribar, Navarre, SpainAlbion Fire and Ice · albionfireandice.co.uk
  2. SRC-479 · Website
    EuguiWikipedia contributors · Wikipedia (Spanish)
  3. SRC-471 · Book
    Handbook of Mineralogy - DolomiteAnthony, J.W.; Bideaux, R.A.; Bladh, K.W.; Nichols, M.C. · 2005 · Mineral Data Publishing / Mineralogical Society of America
  4. SRC-503 · Website
    File:Dolomite-207485.jpg (Wikimedia Commons)Robert M. Lavinsky · Wikimedia Commons
  5. SRC-472 · Website
    Dolomite - Gallery (Minerals.net)Minerals.net · Minerals.net

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.