Unakite
| Refractive Index : 1.74, 1.55, 1.52(All Spot) |
| Optical Characteristic : AGG |
| Specific Gravity : 3.00 + 0.20 – 0.15 |
| Formula : Varies with mineral content |
| Crystal System : Rock |
| Variety/Species : Unakite |
| Species/Group : Epidote Group |
| Birefringence : None |
| Dispersion : N/A |
| Hardness : 6 to 7 |
| Toughness : Poor to good |
| Ultrasonic : Never |
| Steam : Never |
| UV Long : Inert |
| UV Short : Inert |
| Pleochroism : None |
| Strength : N/A |
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| Pleochroism Colors : None |
| Heat : Avoid heating |
| Acids : Attacked by acids and/or chemicals |
| Light : Stable |
| Polish Luster : Resinous to vitreous |
| Fracture : Granular to uneven |
| Fracture Luster : Dull |
| Clarity Type : N/A |
| Tones : N/A |
| Saturations : N/A |
| Cause of Color : N/A |
| Enhancements : None |
| Cleavage : Perfect 1 direction |
| Color Range : Red, red-orange, reddish orange, green, white, gray often mottled with black veining reddish, greenish, whitish, grayish |
| Transparency : Opaque |
| Phenomena : None |
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| Separations : unakite from- Variscite : Color filiter, RI, appearance, spectrum, SG Rhodonite Garnet : RI (possibly), SG, appearance, color, spectrum Rhodochrosite : optic character(possibly), appearance, color, SG |
| Identifying Characteristics and information A granitic rock made up of epidote,gray or white quartz and pink feldspar. Has a mottled pattern and may have lack veining. Properties vary widely. |
| Spectral Data None |
| Trade Names and Misnomers Unakite |
Tags: epidote Group, Unakite
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