Sussexite

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Physical & Optical Properties

Mohs Hardness 3.0 – 3.5
Specific Gravity 3.3
Crystal System Monoclinic
Color various
Dispersion 1.67

Mohs Hardness

Mohs Hardness: 3.0 – 3.5
1 Soft10 Hard

Crystal System

β a b c Monoclinic a ≠ b ≠ c, α = γ = 90°, β ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

About Sussexite

Sussexite is a rare manganese boron oxyhydroxide mineral that forms pale pink to white fibrous or silky masses with a silky to waxy luster in oxidized manganese ore deposits. First described from Franklin, New Jersey, USA (in historical Sussex County, hence the name), it also occurs at other manganese skarn localities. Though too soft and fibrous for faceting, its silky fibrous habit and pastel pink color make it attractive in mineral specimens.

Jewelry Use

Durability 2/10

Science FYI Family

Frequently Asked Questions

What is Sussexite?
Sussexite is a rare manganese boron oxyhydroxide mineral that forms pale pink to white fibrous or silky masses with a silky to waxy luster in oxidized manganese ore deposits. First described from Franklin, New Jersey, USA (in historical Sussex County, hence the name), it also occurs at other mangane
What is the hardness of Sussexite?
Sussexite has a Mohs hardness of 3.0 to 3.5, making it relatively soft for use in jewelry.
What color is Sussexite?
Sussexite is primarily Various.
How much does Sussexite cost?
Sussexite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Sussexite?
Sussexite belongs to the Monoclinic crystal system.

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