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São José da Batalha, Salgadinho, Paraíba, Northeast Region, Brazil Dimensions: 1.8 x 1.6 x 0.9cm. Optically pure Quartz with vivid blue/green Gilalite inclusions. Gilalite inclusion in Quartz was discovered in 2005 in a mere 10 kilos of Brazilian Quartz crystals. Reference: GIA's Gems & Gemology Magazine Fall 2005 article, volume 41, issue 3. |
| © Dr. Perry Silver | Photo ID: 169173 View Count: 363 |
Quartz (Var: Blue Quartz) : SiO2 | |
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Araçuaí, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil A very strangely shaped bent, terminated quartz crystal, which looks almost elestial in formation has inclusions of blue tourmaline and probably graphite making it a light blue in colour. 7.5x3x0.7cm. Sara Giller photograph, Crystal Vine specimen. |
| © Crystal Vine | Photo ID: 103118 View Count: 175 |
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Morro do Serrote, Registro, São Paulo, Southeast Region, Brazil A single blue quartz crystal from Brazil 27mm tall. Rick Dalrymple Collection. Adrienne McElwain Photo. |
| © Rockpick Legend Co. | Photo ID: 251063 View Count: 54 |
Quartz (Var: Blue Quartz) : SiO2 | |
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Cauca, Chocó Department, Colombia Size: 10 x 6 cm |
| © Daniel S. Yunis | Photo ID: 69601 View Count: 418 |
Quartz (Var: Blue Quartz) : SiO2 | |
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Monte Acuto Ragazza, Grizzana, Bologna Province, Emilia-Romagna, Italy Quarz xls blue with Baryte Monte Acuto Ragazza, Bologna, Italia size 6 x 4 cm Photo and Collection Alois Lechner |
| © AL | Photo ID: 144122 View Count: 162 |
Quartz (Var: Blue Quartz) : SiO2 | |
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Monte Acuto Ragazza, Grizzana, Bologna Province, Emilia-Romagna, Italy Quarz xls blue on Baryte Monte Acuto Ragazza, Bologna, Italia size 9 x 5 cm Photo and Collection Alois Lechner |
| © AL | Photo ID: 144121 View Count: 142 |
Quartz (Var: Blue Quartz) : SiO2 | |
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Monte Acuto Ragazza, Grizzana, Bologna Province, Emilia-Romagna, Italy Blue quartz Monteacuto Ragazza Bologna Italy Overall size of mineral specimen: 10.5x9x9 cm Photo and collection Davide Arduini |
| Photo ID: 265423 View Count: 8 | |
Quartz (Var: Blue Quartz) : SiO2 | |
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Ossa river, Sillaro Valley, San Clemente, Bologna province, Emilia-Romagna, Italy Rare conglomerate of blue quartz of 1 cm., crystals its from 1 mm to under |
| © Chinellato Matteo | Photo ID: 61437 View Count: 359 |
Quartz (Var: Blue Quartz) : SiO2 | |
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Ossa river, Sillaro Valley, San Clemente, Bologna province, Emilia-Romagna, Italy 9.8 mm cavity full of blue-dark Quartz crystals. Collection A.Perugini photo M.Chinellato |
| © Chinellato Matteo | Photo ID: 151728 View Count: 245 |
Quartz (Var: Blue Quartz) : SiO2 | |
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Ossa river, Sillaro Valley, San Clemente, Bologna province, Emilia-Romagna, Italy Perfect crystal of light bluish Quartz of 3.9 mm. Photo & Collection Chinellato Matteo |
| © Chinellato Matteo | Photo ID: 121070 View Count: 190 |
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