application du quartz minéral
Quartz | Minerals Education CoalitionCrystalline gem varieties include amethyst, citrine, rose quartz, smoky quartz, etc. . Cultured quartz is used in electronic applications, where its special physical.application du quartz minéral,The Quartz Page: Physical PropertiesSep 4, 2011 . Minerals have a number of unique physical properties that are very .. electrical and optical behavior has important technical applications.