Hematite

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Physical & Optical Properties

Mohs Hardness 6,0
Specific Gravity 5,0 – 5,3
Refractive Index 2,69 – 3,22
Crystal System Trigonal
Luster Metallic
Cleavage None
Fracture Uneven,Conchoidal
Color various
Birefringence 0,28
Pleochroism Brownish red - yellowish red.

Mohs Hardness

Mohs Hardness: 6,0
1 Soft10 Hard

Crystal System

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Moderate ($50-500/ct)

About Hematite

Hematite is an iron oxide mineral (Fe₂O₃) recognized by its striking metallic silver-gray to black appearance with a distinctive blood-red streak, the source of its name from the Greek word for blood. It is one of the most abundant iron minerals on Earth, forming in sedimentary, metamorphic, and hydrothermal environments on every continent, and has been used as a pigment (red ochre) and polish since prehistoric times. In gemology, hematite is fashioned into highly polished cabochons, beads, and carvings valued for their mirror-like metallic luster.

Jewelry Use

Durability 5/10

Science FYI Family

Frequently Asked Questions

What is Hematite?
Hematite is an iron oxide mineral (Fe₂O₃) recognized by its striking metallic silver-gray to black appearance with a distinctive blood-red streak, the source of its name from the Greek word for blood. It is one of the most abundant iron minerals on Earth, forming in sedimentary, metamorphic, and hyd
What is the hardness of Hematite?
Hematite has a Mohs hardness of 6.0, making it moderate for use in jewelry.
What color is Hematite?
Hematite is primarily Various.
How much does Hematite cost?
Hematite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Hematite?
Hematite belongs to the Trigonal crystal system.

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