Wavellite
| Refractive Index : 1.561 – 1.520 |
| Optical Characteristic : DR, biaxial positive |
| Specific Gravity : 2.36 |
| Formula : AI3(PO4)2(OH)3.5(H2O) |
| Crystal System : Orthorhombic |
| Variety/Species : All |
| Species/Group : Wavellite |
| Birefringence : 0.025 |
| Dispersion : |
| Hardness : 3.5 to 4 |
| Toughness : Poor |
| Ultrasonic : Never |
| Steam : Never |
| UV Long : Inert to moderate |
| UV Short : Inert |
| Pleochroism : None |
| Strength : N/A |
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| Pleochroism Colors : None |
| Heat : Sensitive |
| Acids : Sensitive |
| Light : Stable |
| Polish Luster : Vitreous to pearly |
| Fracture : subconchoidal |
| Fracture Luster : |
| Clarity Type : N/A |
| Tones : N/A |
| Saturations : N/A |
| Cause of Color : |
| Enhancements : None |
| Cleavage : Perfect 1 direction |
| Color Range : White, greenish white, green, yellowish green, yellow, yellow-brown, brown-yellow, brown, brownish black |
| Transparency : Translucent |
| Phenomena : None |
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| Separations : Wavellite from- |
| Identifying Characteristics and information Difficult to cut because of splintering. |
| Spectral Data Not diagnostic |
| Trade Names and Misnomers wavelite |
Tags: Orthorhombic, wavelite, Wavellite
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