MAGNETITE with CALCITE
MAGNETITE with CALCITE
SPECIMEN NR #:695
Magnetite is a significant iron ore mineral characterized by the chemical formula Fe2+Fe3+2O4. As one of the iron oxides, it exhibits ferrimagnetic properties, meaning it is attracted to magnets and can be magnetized to form a permanent magnet. Aside from extremely rare native iron deposits, magnetite is the most magnetic naturally occurring mineral on Earth. Naturally magnetized fragments of magnetite, known as lodestone, were instrumental in the early discovery of magnetism by ancient civilizations, as they could attract small iron objects. This mineral typically appears black or brownish-black, possesses a metallic sheen, has a Mohs hardness ranging from 5 to 6, and produces a black streak when scratched.
Specimen details
Specimen details
The numbers under "variant" are the measurements in mm and weight in grams. Where known, the origin of the specimen is mentioned. The number at the end, is the specimen number in our collection. Colours may vary, due to photography.
Care
Care
It's important to know that many minerals can be effectively cleaned with water. However, before using any cleaning methods, such as dissolvers or ultrasound, please take the time to research online. Improper use of these techniques could potentially harm your specimen.
Shipping
Shipping
Shipping fees depend on the weight of your order and its destination, and they will be calculated at checkout. Not all platforms use the same rate. We will inform you about any rebates where possible. If you have any questions, feel free to reach out to us before placing your order. We strive to use the most economical shipping methods for your specimens and combine multiple orders to minimize costs. Please note that packaging is included in the shipping fees.
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