Schiavinatoite

  
Origin: Tetezantsio, Ampanodiana South Pegmatite, Madagascar
Dr. Federico Pezzotta Collection
ILLUSTRATED IN MINERALOGICAL RECORD MAY-JUNE 2003 issue
Sample size: 4 x 3.5 x 3.5 cm
 
  
Schiavinatoite on tourmaline
  
Well developed greyish tan color crystal of schiavinatoite measuring 7 mm on rich pink liddicoatite and grey quartz matrix
  
  
Origin: Ampanodiana Pegmatite, near the Tetezantsio village, Ampasagona, Antananarivo Province, Madagascar
Sample size: 2.8 x 2.0 x 1.7cm (top), 2.4 x 2.2 x 1.3 cm (2nd row), 4.5 x 2.5 x 2.4 cm (3rd/4th/bottom row)
 
  
 
  
Lustrous black schiavinatoite, 1 cm across, on a matrix of quartz and rubellite
Origin: Antsongombato mine, Betafo Department, Antananarivo Province, Madagascar
Ex. Dr. Federico Pezzotta collection
Sample size: 5.6 x 3.9 x 3.5 cm (top), 4.3 x 3.0 x 2.6 cm (bottom)
 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

  
This specimen of feldspar has two crystals of the very rare mineral schiavinatoite. The largest is 0.7 cm in length.
  
This specimen of quartz has partial crystals of lilac tourmaline and a slightly distorted crystal ofschiavinatoite.
Origin: Ampanodiana Sud, Tetezantisio, Mahaiza, Madagascar, Africa
Sample size: 5.5 x 3.6 x 3.3 cm (top), 3.3 x 3. x 2.5 cm (bottom)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

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