Origin: Orange River, South Africa
Sample size: 6.6 x 4.5 x 3.8 cm
Origin: Yaogangxian Mine, Hunan Province, China
Sample size: 21 x 14.5 x 6 cm
Prasem quartz with
hedenbergite inclusions
Origin: Serifos, Greece
Sample size: 7.2 x 1.6 x 1.2 cm
Quartz with
hematite inclusions
Origin: Potosi Mine, Santa Eulalia, Chihuahua, Mexico
Sample size: 7.8 x 5.5 x 4.5 cm
Quartz specimen, with very slight inclusions of
hematite
that give it a gentle reddish tan hue.
Origin: Red Feather Lake area, near Fort Collins, Colorado
Sample size: 11.5 x 8 x 7.5 cm
Quartz with
hedenbergite inclusions
Origin: Sinerechenskiy Mine, Far East, Russia
Sample size: 10.5 x 6 x 5 cm
Quartz with
montmorillonite inclusions
Origin: White Queen Mine, Pala, San Diego Co., California, U.S.A.
Sample size: 15.6 x 9.0 x 7.2 cm
Photo courtesy of:
Rob Lavinsky
Quartz with included green chlorite
Origin: Shingle Springs Mine (Docs Mine), El Dorado Co., California, U.S.A.
Ex. Gene Tribbey collection
Sample size: 6.2 x 3.8 x 4.6 cm
Photo courtesy of:
Dan Weinrich
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