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Quartz (Var: Rock Crystal) : | |
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Vardak (Warkak; Wardak; Wardag; Wardagh; Maydan) Province, Afghanistan Complex cluster of doubly-terminated quartz crystals intersecting at odd angles (hard to photograph). There appears to be two separate Faden-growth formations intergrown into one specimen. Overall size of mineral specimen: 7x5x5 cm. Size of individual crystals: 2-5 cm. |
| © 2002 John H. Betts | Photo ID: 5610 View Count: 1329 |
Quartz (Var: Rock Crystal) : | |
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Sumbe (Novo Redondo), Sumbe City Council, Cuanza Sul Province (Kwanza Sul Province), Angola Crystal with 11x7x4cm - July of 1974 |
| © Martins da Pedra | Photo ID: 48639 View Count: 666 |
Quartz (Var: Rock Crystal) : | |
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Sumbe (Novo Redondo), Sumbe City Council, Cuanza Sul Province (Kwanza Sul Province), Angola Crystal with 12x7x5cm - July of 1974 |
| © Martins da Pedra | Photo ID: 53544 View Count: 396 |
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Sumbe (Novo Redondo), Sumbe City Council, Cuanza Sul Province (Kwanza Sul Province), Angola Clear crystal with 1,5cm - March of 1972 - Sample nÂș 1 of my collection - I was 13 years of age old and it marked me for an entire dedication life to the minerals. |
| © Martins da Pedra | Photo ID: 115861 View Count: 176 |
Quartz (Var: Rock Crystal) : , Prehnite : Ca2Al2Si3O12(OH) | |
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Prehnite Hill, Litell Rocks, Victoria Land, Eastern Antarctica, Antarctica largest Quartz crystal is 3 cm. Specimen from GANOVEX expidition. |
| © Maurice de Graaf | Photo ID: 15852 View Count: 863 |
Quartz (Var: Rock Crystal) : | |
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Patagonia, Argentina Water-clear, doubly-terminated quartz crystal fully crystallized on all surfaces (a floater). Has inclusions of black hydrocarbon and hollow voids with crystal faces (negative crystals). No damage. Collected in 1996 by Luis de los Santos. Overall size of mineral specimen: 28x20x20 mm. Size of individual crystals: 28 mm. |
| © 2002 John H. Betts | Photo ID: 6851 View Count: 1264 |
Quartz (Var: Rock Crystal) : , Chlorite Group | |
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Hanging Rock, Nundle, Parry Co., New South Wales, Australia Pair of transparent Quartz xls with Chlorite inclusions. Golden specs - unknown, possibly Siderite. Self collected 1964. Overall size 10m x 20mm x 5mm. Personal collection |
| © Keith Compton | Photo ID: 50288 View Count: 569 |
Quartz (Var: Rock Crystal) : | |
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CSA Mine, Kaloogleguy, Cobar, Robinson Co., New South Wales, Australia Larger crystal with 1,5cm - Overall size 3x2x2cm - November of 2006 |
| © Martins da Pedra | Photo ID: 83289 View Count: 304 |
Quartz (Var: Rock Crystal) : | |
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CSA Mine, Kaloogleguy, Cobar, Robinson Co., New South Wales, Australia Sample crystallized with 2cm - November of 2006 |
| © Martins da Pedra | Photo ID: 85159 View Count: 268 |
Quartz (Var: Rock Crystal) : , Albite : Na[AlSi3O8] | |
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CSA Mine, Kaloogleguy, Cobar, Robinson Co., New South Wales, Australia Sample crystallized with 4x2x1,5cm - November of 2006 |
| © Martins da Pedra | Photo ID: 85027 View Count: 245 |
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