Shattuckite
| Refractive Index : 1.815 – 1.75 spot 1.75 |
| Optical Characteristic : AGG |
| Specific Gravity : 3.80 (+0.34 – 1.27) |
| Formula : Cu5(SiO3)4(OH)2. |
| Crystal System : Orthorhombic |
| Variety/Species : All |
| Species/Group : Shattuckite |
| Birefringence : 0.063 |
| Dispersion : none |
| Hardness : 3.5 to 4 |
| Toughness : poor |
| Ultrasonic : Never |
| Steam : risky |
| UV Long : Inert |
| UV Short : Inert |
| Pleochroism : None |
| Strength : N/A |
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| Pleochroism Colors : None |
| Heat : unknown |
| Acids : Attacked by acids and/or chemicals |
| Light : stable |
| Polish Luster : waxy to vitreous |
| Fracture : Uneven to splintery |
| Fracture Luster : waxy to vitreous |
| Clarity Type : N/A |
| Tones : N/A |
| Saturations : N/A |
| Cause of Color : N/A |
| Enhancements : None |
| Cleavage : Very good in 2 directions. |
| Color Range : Greenish blue, blue, greenish |
| Transparency : Semitranslucent to opaque |
| Phenomena : None |
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| Separations : Shattuckite from- Lapis Lazuli : Appearance, RI, hardness Azurite : Pleochroism, appearance |
| Identifying Characteristics and information Plancheite is a mineral that is often confused with shattuckite but has been found to be a distinct species. Greenish blue to blue often with variegated patches of green, brown, red or white. |
| Spectral Data not diagnostic. |
| Trade Names and Misnomers Shattuckite |
Tags: shattuckite
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