quartz

A hard, glossy mineral composed of silicon dioxide, found in many types of rocks such as sandstone and granite; also refers to a colorless, nearly pure silica glass.

• 🇩🇪Ein hartes, glänzendes Mineral, das aus Siliziumdioxid besteht und in vielen Gesteinsarten wie Sandstein und Granit vorkommt; bezeichnet auch farbloses, nahezu reines Quarzglas.

1. Crystalline mineral B2 formal

   A hard, glossy mineral composed of silicon dioxide, found in many types of rocks such as sandstone and granite.

   • The geologist identified a large quartz crystal in the cave.
   • Quartz is one of the most common minerals in the Earth's crust.
   • The sand on the beach sparkled because it contained tiny quartz particles.

   🇩🇪Kristallines Mineral

   Synonyme: crystalrock crystal

2. Synthetic glass C1 formal

   A colorless, transparent glass made from nearly pure silica, often used in scientific and industrial applications.

   • The laboratory used quartz glass for the high-temperature experiment.
   • Quartz glass is valued for its ability to withstand extreme heat.
   • The watch face was made of synthetic quartz for durability.

   🇩🇪Quarzglas

   Synonyme: quartz glass

• quartzes plural form
• quartzes' possessive plural form
• quartz's possessive singular form