Friedelite

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Physical & Optical Properties

Mohs Hardness 4,0 – 5,0
Specific Gravity 3,06 – 3,19
Refractive Index 1,627 – 1,663
Crystal System Monoclinic
Luster Vitreous
Cleavage Perfect
Fracture Uneven
Color various
Birefringence 0,032
Pleochroism Nil

Mohs Hardness

Mohs Hardness: 4,0 – 5,0
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 Friedelite

La friedelita es un raro filosilicato de manganeso que forma cristales laminares o masas de color rosa a rosado rojizo en depósitos de manganeso, especialmente en Franklin, Nueva Jersey, y Långban, Suecia. Sus tonos rosados y su rareza la hacen apreciada como rareza de coleccionista mineralógico, aunque es demasiado frágil y rara para su uso como gema facetada práctica.

Jewelry Use

Durability 3/10

Science FYI Family

Frequently Asked Questions

What is Friedelite?
La friedelita es un raro filosilicato de manganeso que forma cristales laminares o masas de color rosa a rosado rojizo en depósitos de manganeso, especialmente en Franklin, Nueva Jersey, y Långban, Suecia. Sus tonos rosados y su rareza la hacen apreciada como rareza de coleccionista mineralógico, au
What is the hardness of Friedelite?
Friedelite has a Mohs hardness of 4.0 to 5.0, making it relatively soft for use in jewelry.
What color is Friedelite?
Friedelite is primarily Various.
How much does Friedelite cost?
Friedelite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Friedelite?
Friedelite belongs to the Monoclinic crystal system.

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