Mariposa “Butterfly” Calcite - Mexico

$40.00 USD

Discover the beauty of the Mariposa “Monarch Butterfly” Calcite from Mexico. This soft material showcases a stunning formation. Specimens can have a red to golden yellow color

Here are some characteristics of Mariposa calcite: 

 

Appearance: 

  • First generation: Scalenohedral crystals that are coated with a thin layer of brown iron oxide
  • Second generation: An overgrowth that completely wraps around the first generation, giving the appearance of a snow-capped mountain range 
  • Colors: Red, gold, and maroon colors are created by the mineral hematite 
  • Fluorescent: Some mariposa calcite specimens fluoresce in both longwave and shortwave UV light 
  • Inclusions: Some mariposa calcite specimens have inclusions of hematite 

Notes for this specific specimen:

  • I suspect this piece may have been acid washed and I have been hearing this is normal for this material although not always disclosed
  • Overall this specimen in very good shape with very minor damage 
  • Has a white UV reaction with LW/MW/SW UV lights, while underneath, there are small areas of red UV reaction with Shortwave UV only
  • This specific specimen was part of a recently discovered pocket in the El Potosi mine

Size:  9.7cm x 8cm x 4.7cm

Weight:  315g

Locality: El Potosi Mine, Level 17, Santa Eulalia, Chihuahua , Mexico

Type: Specimens
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