Quartz is the second most abundant mineral on earth. It has a trigonal crystalline structure composed of silica tetrahedrons, where each oxygen is divided between two tetrahedrons.

Related tags:

• quartz
• crystal
• gemstone
• jewel
• gem
• minerals
• jewelry
• rock
• pebbles
• transparent
• geology
• clear
• shiny
• shine
• 8+ tags