Andradite

Variety melanite

Origin: New Idria district, San Benito Co, California, U.S.A.

Owner: Natural History Museum of Los Angeles County

Sample size: crystals up to 1 cm

 

Origin: Junnila mine, New Idria district, San Benito Co, California, U.S.A.

Owner: Natural History Museum of Los Angeles County

Sample size: largest crystals are about 0.8 mm

 

Photo courtesy of: 

Photo-Atlas of Minerals

 

Origin: Val Malenco, Lombardy, Italy

Owner: Lou Perloff

Microscopic image

 

Origin: New Idria district, San Benito Co., California, U.S.A.

Owner: Lou Perloff

Microscopic image

 

Photo courtesy of: 

Photo-Atlas of Minerals

 

Variety topazolite

Origin: New Idria district, San Benito Co., California, U.S.A.

Owner: Milton Speckels

Microscopic image, 7.0 x

 

Photo courtesy of: 

Photo-Atlas of Minerals

Origin: Stanley Butte, Graham Co., Arizona, U.S.A.

Sample size: 26 x 28 x 18 mm

 

  

Demantoid on serpentinite

Origin: Val Malenco, Sondria, Lombardy, Italy

ex Lloyd Tate collection

Sample size: 3.5 x 6.8 x 2.5 cm

 

  

Origin: Apex Pit area, San Pedro Mine, New Placers District, Santa Fe Co., New Mexico, U.S.A.

Sample size: 7 x 5.9 x 4.6 cm

 

Photo courtesy of: 

Dealer in fine mineral specimens

 

  

Origin: N'Chwaning Mine, Kalahari Mn Fields, North Cape Prov., South Africa

Ex. DeVito collection

Sample size: 3.5 x 3 x 2.5cm

 

Photo courtesy of: 

Tom Loomis

Dakota Matrix Minerals

 

  

Origin: Sinerechenskiy Mine, near Kavalerovo, Siberia, Russia

Sample size: 5.5 x 2.8 x 2.1 cm

 

Photo courtesy of: 

Rob Lavinsky

The Arkenstone

 

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