Description
This listing is for an authentic Hematite Kidney Ore Crystal sourced from the USA. You will receive the exact specimen shown in the photos, measuring approximately 40–60mm and displayed with a 1cm scale cube for size reference.
This crystal was carefully chosen for its rich metallic luster and distinct botryoidal (kidney-like) morphology—a hallmark of the kidney ore variety of hematite. Known for its dense weight and shimmering surface, this piece makes a fantastic addition to any mineral collection, metaphysical toolkit, or geological display.
All of our Crystals are 100% Genuine Specimens & come with a Certificate of Authenticity.
Key Features:
- Species: Hematite (Kidney Ore variety)
- Chemical Formula: Fe2O3 (Iron(III) Oxide)
- Crystal System: Trigonal
- Morphology: Botryoidal (kidney-shaped masses)
- Hardness: 5.5–6.5 Mohs
- Lustre: Bright Metallic
- Colour: Silver to steel-grey
- Streak: Reddish brown (classic diagnostic feature)
- Cleavage: None | Fracture: Subconchoidal to uneven
- Magnetism: Non-magnetic, but high iron content
Geological Context:
- Depositional Environment: Forms in oxidized iron-rich zones of ore bodies, frequently as secondary mineralisation in sedimentary and hydrothermal environments
- Geological Stage: Can occur across a wide range of stages, including Precambrian banded iron formations (BIFs)
- Notable: Kidney ore hematite was historically significant as a major iron ore used in early metallurgy
Other Taxonomic & Identification Info:
- Order: Oxide Minerals (Class: Simple Oxides)
- Family/Super Family: Not typically applied to mineral taxonomy
- Zone, Biozone: Not applicable to minerals
- Formally Identified By: First described and named by Jean-Baptiste Boussingault in the early 19th century; name derives from the Greek haima, meaning “blood,” due to its red streak
Whether you’re a mineral collector, geologist, crystal enthusiast, or gift-giver, this metallic Hematite Kidney Ore is an extraordinary and authentic specimen ready to display or work with.
You will receive the exact piece shown in the photos.
Disclaimer: All of our crystals are 100% genuine specimens and come with a Certificate of Authenticity. The photos show the actual item you will receive.
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