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| Rutilated Quartz | Locality: | Brazil | ||||||||||||||||||||
| Deposite Name: | N/A | |||||||||||||||||||||
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Rutilated Quartz - The name, quartz, apparently came from Saxon word, querkluftertz, (Dana, 1997). In this specimen rutile in needle form projects and intergrows in quartz. One such inclusion of rutile makes a 6-ray star of rutile in the crystal. This specimen is from Brazil and is the smoky quartz variety of quartz. Quartz has the composition SiO2 and is a common mineral found in many localities. Smoky quartz is mostly used as gemstone. | |||||||||||||||||||||
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| Collection #: | 508 | |||||||||||||||||||||
| Dana Class #: | 7.5.1.3.1 | |||||||||||||||||||||
| Chem. Class: | Si Tetrahedral Frameworks | |||||||||||||||||||||
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