Hematite
Hematite · Mineral Specimen and Collector Mineral
Crystal System
Trigonal, with habit typically being massive, botryoidal, reniform, or micaceous (specularite)
Mineral Group
Oxides
Chemical Formula
Fe2O3
Formation Process
Forms via igneous, metamorphic, and sedimentary processes, often precipitating from aquatic environments or forming as an accessory mineral in igneous rocks and hydrothermal veins
About This Crystal
An opaque, dark grey to black metallic mineral specimen showing characteristic metallic luster and fine crystalline structure with micro-fractures
Physical Characteristics
Color ranges from steel-grey to black; distinctive reddish-brown streak; no true cleavage, exhibits uneven to conchoidal fracture; specific gravity around 5.26; brittle tenacity; highly magnetic only when heated or containing magnetite
Optical Properties
Opaque with a metallic to sub-metallic luster; shows strong reflection pleochroism under polished section microscopy
Hardness & Durability
Origin Region
Worldwide distribution, with major deposits in Brazil, Australia, China, and the USA (Lake Superior region)
Hardness & Durability
Mohs hardness of 5.5 to 6.5; moderate toughness but can be brittle; stable under normal atmospheric conditions
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh chemicals and ultrasonic cleaners; store separately to prevent scratching softer materials
Rarity & Value
Common mineral worldwide; value depends heavily on specimen form and polish; affordable price range for standard raw specimens
Special Characteristics
Notable for its distinctive reddish-brown streak, which differentiates it from other dark metallic minerals like galena or magnetite
Lore & History
Used historically by ancient civilizations like the Egyptians and Native Americans for pigments and amulets; in modern crystal healing, it is traditionally associated with grounding, protection, and balancing the root chakra