| 	 Physical properties: 	Category: Silicate mineral  	Chemical formula: Silica (silicon dioxide, SiO2)  	Strunz classification: 04.DA.05  	Dana classification: 75.01.03.01  	Crystal symmetry: Trigonal 32  	Identification  	Color: Colorless through various colors to black   | 	  | 	 		  	  | 		 Metaphysical guide: 	Primary Chakra: All 	Astrological sign(s): All 	Vibration: Number 4 	 	Extremely popular metaphysically, Clear Quartz is the most versatile healing stone among all crystals. Quartz is the most powerful healing stone of the mineral kingdom, able to work on any condition. Clear Quartz is known as the stone of power and amplifies any energy or intention. 	 |