Wardite
| Refractive Index : 1.604 – 1.586 |
| Optical Characteristic : DR, uniaxial negative |
| Specific Gravity : 2.87-2.81 |
| Formula : NaAI3(PO4)2(OH)4.2(H2O) |
| Crystal System : Tetragonal |
| Variety/Species : All |
| Species/Group : Wardite |
| Birefringence : 0.009 |
| Dispersion : N/A |
| Hardness : 5 |
| Toughness : Poor |
| Ultrasonic : Never |
| Steam : Never |
| UV Long : Inert |
| UV Short : Inert |
| Pleochroism : None |
| Strength : N/A |
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| Pleochroism Colors : None |
| Heat : Sensitive |
| Acids : Sensitive |
| Light : Stable |
| Polish Luster : Vitreous |
| Fracture : Conchoidal |
| Fracture Luster : |
| Clarity Type : N/A |
| Tones : N/A |
| Saturations : N/A |
| Cause of Color : |
| Enhancements : None |
| Cleavage : Perfect in 1 direction |
| Color Range : Blue green, green, bluish green, colorless, white, greenish, whitish |
| Transparency : Transparent to translucent |
| Phenomena : None |
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| Separations : Wardite from- |
| Identifying Characteristics and information Faceted gems are very rare (under 2 to 3 carats).Cabochons of white Wardite with green Variscite come from Utah |
| Spectral Data Not diagnostic |
| Trade Names and Misnomers Wardite |
Tags: Tetragonal, Wardite
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