Sussexite
Sussexite is named after its discovery locality, at Franklin, Sussex County, New Jersey, USA.
Sussexite forms white, pink, yellowish white prismatic and typically fibrous crystals with a pearly lustre. The material is usually translucent.
Sussexite is an extremely rare gem.
Sussexite forms white, pink, yellowish white prismatic and typically fibrous crystals with a pearly lustre. The material is usually translucent.
Sussexite is an extremely rare gem.
| General Information | ||||||||||
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| Chemical Formula |
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| Physical Properties of Sussexite | ||||||||||
| Mohs Hardness | 3 to 3.5, Handbook of mineralogy (2001) | |||||||||
| Specific Gravity | 3.30, Handbook of mineralogy (2001) | |||||||||
| Optical Properties of Sussexite | ||||||||||
| Optical Character | Biaxial/-, Handbook of mineralogy (2001) | |||||||||
| Dispersion | 1.670 to 1.732, Handbook of mineralogy (2001) | |||||||||
| Colour | ||||||||||
| Colour (General) | White to buff, straw-yellow, pale pink; colorless in transmitted light., Handbook of mineralogy (2001) | |||||||||
| Transparency | Transparent,Translucent, Handbook of mineralogy (2001) | |||||||||
| Lustre | Silky,Dull (Earthy), Handbook of mineralogy (2001) | |||||||||
| Crystallography of Sussexite | ||||||||||
| Crystal System | Monoclinic, Handbook of mineralogy (2001) | |||||||||
| Habit | As bladed acicular crystals, to 7 mm; cross-vein or radial fibrous, in felted or matted aggregates, nodular., Handbook of mineralogy (2001) | |||||||||
| Geological Environment | ||||||||||
| Where found: | A rare hydrothermal mineral typically in veinlets in boron-bearing metamorphosed Mn–Fe–Zn deposits., Handbook of mineralogy (2001) | |||||||||
| Further Information | ||||||||||
| Mineral information: | Sussexite information at mindat.org | |||||||||
| Significant Gem Localities | ||||||||||
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