Discover our superior quality Vogel double-terminated rock crystal point. The Vogel is traditionally used for energy healing. Features: Stone(s): Rock crystal Color: translucent Dimensions: 2.5 to 4 cm Approximate weight: 2.4 to 12.5 g Number of stones: sold individually Shape: polished Vogel prism Photos are non-contractual. Classification: Quartz group Mohs hardness: 7 Density: 2.65 Origin: Brazil Care instructions: No specific care required. If dirt or dust has accumulated, rock crystal can be cleaned with lukewarm water and wiped with a soft cloth.