Included quartz

  

Transparent glassy colorless, to slightly reddish due to iron oxides, cluster of quartz crystals

Origin: Diamond Point, Gila Co., Arizona, U.S.A.

Sample size: 3 x 2.2 x 3.2 cm

 

  

Quartz with hedenbergite inclusions on a matrix coated by micro andradite

Origin: Sinerechenskoe deposit, west of Kavalerovo, Primorskiy Kray, Russia

Sample size: 6 x 3 x 4 cm

 

  

Large partial quartz crystal, with one main face polished, to show the needle-like golden inclusions of rutile

Origin: Diamantina, Minas Gerais, Brazil

Sample size: 7 x 4 x 9 cm

 

  

Opaque prismatic slender green quartz crystals to 3.5 cm in length with sharp lustrous pyrite cubes to 15 mm are nestled in amongst the quartz crystals on the lower half of the specimen.

Origin: Shangbao mine, Leiyang, Hunan Province, China

Sample size: 11 x 15 x 16 cm

 

  

Dark, almost black, quartz crystals due to hematite inclusions with minor calcite in association

Origin: Pea Ridge Mine, near Sullivan, Washington Co., Missouri, U.S.A.

Ex. Gene Tribbey collection

Sample size: 8.3 x 5.2 x 2.4 cm

 

Photo courtesy of: 

Dan Weinrich

Dealer in fine mineral specimens

 

  

 

  

 

  

 

  

 

  

Quartz coloured blue due to inclusions of aerinite

Origin: Antequera, Malaga, Spain

Sample size: 9 x 5.5 cm (top), 7.5 x 3 cm (2nd row), 4.5 x 3 cm (3rd row), 4.2 x 2.3 cm (bottom)

 

  

  

This is a cluster of green quartz. The green colour is caused by inclusion of hedenbergite in the quartz. There is a single rosette of hematite perched nicely on the specimen.

Origin: Serifos, Greece

Ex. Rick Green collection

Sample size: 6 x 4 x 3.5 cm

 

Photo courtesy of: