Calcite

Calcite scalenohedron
Origin: Ginevro, Elba
Picture height: 15 mm
Sample owner: H. van Dennebroek
 
 

Photo courtesy of: 

Pieter Stemvers, Leusden, Netherlands

email: stemvers@hetnet.nl

 

Calcite - Optical grade
The classic Iceland Spar, fine water clear to pink specimens, perfect to see a double refraction of a text below
Origin: Chihuahua, Mexico
Sample size: 3 x 3.5 cm
 

Photo courtesy of: 

Diederik Visser

Diederik Visser Minerals & Petrological Services

 

 

  

Sample size:  8 x 7 x 3 cm, with terminated crystals up to 1.1 cm
 
  
  Mn-containing calcite with crude crystals up to 1 cm
Origin: Rayas Mine, Zacatecas, Mexico
Sample size: 4 x 4 x 4 cm
 
  
Calcite with white saddle shaped dolomite and reddish sphalerite
Origin: Elmwood mine, Smith Co., Tennessee, USA
Sample size: 4 x 3 x 2 cm, calcite crystal 3 cm
 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

Origin: Jemelles, Namur, Belgium
Owner: Axel Emmermann
 
Calcite twin
Origin: Mont-sur-Marchienne, Henegouwen, Belgium
Owner: Axel Emmermann
 

Photo courtesy of: 

Axel Emmermann

Homepage

 

  
Origin: Ojuela Mine, Mapimi, Durango, Mexico
Sample size: 10 x 8 x 7 cm
 
  
  
Calcite twin
Origin: Egremont, Cumberland, England
ex. Charles Hoadley (late 1800's), Linck Collections
Sample size: 11 x 8 x 7 cm
 
  
Origin: Mogok, Burma
Sample size: 7.5 x 5 x 3.5 cm
 
        
Water-clear and lustrous calcite scalenohedron with smaller aragonite and calcite crystals growing in and out of the crystal.
Origin: Bor Quarry, Dalnegorsk, Russia
Sample size: 6.6 x 1.0 x 0.7 cm
 
Transparent calcite crystal 9 cm long, nestled in a concave bed of stilbites and apophyllites.
Origin: Nasik, Maharashtra Province, India
Sample size: 15.7 x 13.6 x 5.1 cm

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

     
This pedestal of stilbite crystals hosts a multi-twin group of calcite crystals.
  
The twin on 081 is dominant. There are small quartz and laumontite crystals at the base of the specimen.
Origin: Sambava, Antsirana, Madagascar, Africa
Sample size: 3.3 x 2.8 x 2.8 cm (top), 6.4 x 5 x 4.5 cm (2nd/bottom row)
 

Photo courtesy of: 

John Veevaert, Trinity Mineral Co

Trinityminerals.com

 

Page 2     Page 3     Page 4     Page 5     Page 6     Page 7     Page 8     Page 9     Page 10     Page 11     Page 12     Page 13     Page 14

Page 15     Page 16     Page 17     Page 18     Page 19     Page 20     Page 21     Page 22     Page 23     Page 24     Page 25     Page 26

Page 27     Page 28     Page 29     Page 30     Page 31     Page 32     Page 33     Page 34     Page 35     Page 36     Page 37     Page 38     Page 39     Page 40

Page 41     Page 42     Page 43     Page 44     Page 45     Page 46     Page 47     Page 48     Page 49     Page 50

 

Back to Alphabetical list Physical, chemical and crystallographic description Optical properties/Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra