Ferrimolybdite

     

Yellow ferrimolybdite and molybdenite crystal (right) on quartz

Yellow fibrous crystals to 0.1 mm spread across quartz matrix. A mnor 6 mm molybdenite crystal is visible at the bottom.

Origin: near Cleator, Yavapia Co., Arizona, USA

Sample size: 8 x 6 x 6 cm, molybdenite crystal 8 mm (top), 7 x 6 x 6 cm (bottom)

 

  

Origin: Spring Creek, Lemhi Co., Idaho, United States

Ex. O'Donnell collection

Sample size: 9 x 6 x 3 cm

 

  

Earthy yellow ferrimolybdite in vuggy quartz

Origin: Missouri Claim, Spring Creek, Lemhi Co., Idaho, United States

Sample size: 6.5 x 5 x 3 cm

 

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Origin: Quarry No 2, Königshain, Oberlausitz, Saxony, Germany

Picture size: 1.5 mm

Owner: Thomas Witzke

 

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Yellow powdery crust on molybdenite on admiralty granite

Origin: Lili Marleen Camp, Everett Range, North Victoria Land, Antarctica

Sample size: 3.5 x 4.5 cm

 

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Origin: Kingsgate, Gough Co., New South Wales, Australia

Sample size: 20 mm cluster

Sample owner: Vic Cloete

 

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Ex. Don Belsher collection

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