rock crystal

Summary

rock crystal is a mineral variety^[1]. It draws 41 Wikipedia views per month (mineral_variety category, ranking #42 of 73).^[2]

Key Facts

• rock crystal's instance of is recorded as mineral variety^[3].
• rock crystal's chemical formula is recorded as SiO₂^[4].
• rock crystal is a type of quartz^[5].
• rock crystal's Commons category is recorded as Rock crystal^[6].
• rock crystal's crystal system is recorded as trigonal crystal system^[7].
• rock crystal's Mohs' hardness is recorded as {'amount': '+7'}^[8].
• rock crystal's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary^[9].
• rock crystal's described by source is recorded as Great Soviet Encyclopedia (1926–1947)^[10].
• rock crystal's described by source is recorded as Encyclopædia Britannica 11th edition^[11].
• rock crystal's different from is recorded as rhinestone^[12].
• rock crystal's density is recorded as {'unit': 'Q13147228', 'amount': '+50000.86'}^[13].

Why It Matters

rock crystal draws 41 Wikipedia views per month (mineral_variety category, ranking #42 of 73).^[2] It has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.^[14] It is known by 22 alternative names across languages and contexts.^[15]