Firoja warns the user of the forth-coming danger or illness by changing its colour. It helps to make honest friends / supporters and cleans off the unknown enemies. It irradiates back biting and accidents.

• Name : Hindi - Firoja.
• Crystal Structure : Triclinic.
• Composition : Hydrated Copper Aluminum Phosphate. CuAl6(PO4)4(OH)8.2H20.
• Hardness : 6
• Planet : Saturn ( Sani ), Venus ( Sukra ) & Mercury ( Budha ).
• Availability : Tibet, Mexico , U.S.S.R.
• Specific Gravity : 2.80
• Refractive Index : 1.61-1.65
• Double Refraction : 0.04
• Lustre : Waxy to dull.
• Metal : Silver.
• Process : The process of using this is to be followed like that of the respective stone for which it is.
• Used : Neelam for Sani, Diamond for Sukra & Emerald for Budha.