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# magnetite
- URL: https://keithhayden.net/magnetite/
- Published: 2026-08-28T12:04:29.000Z
- Updated: 2026-08-28T12:12:03.000Z
- Description: A geological word
- Author: Keith Hayden
- Tags: #hfd-word

28 AUG 2026 

0/5 word facts discovered 

## magnetite

/ˈmæɡ.nə.taɪt/

noun

a black isometric mineral of the spinel group that is an oxide of iron and an important iron ore

magnetite 28·08·26 

1845 mineral name introduced 

01 Keith’s definition 

a piece of earth with *attractive* properties?

02 Official meaning 

a black isometric mineral of the spinel group that is an oxide of iron and an important iron ore

03 In use 

> Dubious was the magnetite ritual’s alleged power, yet evidence with protocol and disbelief with observation Detective Velez logged in sequence: three clockwise passes of the black ore over the murder weapon, a whispered Swift guard, then the blade’s answering twitch across the evidence cloth, leaving every skeptical officer staring as the ritual worked.

04 Hear it 

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### Useless facts

- Its chemical formula is **Fe₃O₄**: an iron oxide containing iron in two oxidation states.
- Naturally magnetized magnetite is called **lodestone**, the material used in the earliest magnetic compasses.
- The formal mineral name dates to **1845** and traces back to Magnesia in Greece.
- Magnetite is among the **most strongly magnetic minerals** occurring naturally on Earth.
- Alongside hematite, magnetite is one of the principal minerals mined as **iron ore**.
- The Scrabble score is **12 points.**
- **9 letters** and **3 syllables.**
- It leaves a **black streak** and measures roughly **5½–6½** on the Mohs hardness scale.

HAYDEN’S FIELD DICTIONARY [ ← Return to the Word Archive ](https://keithhayden.net/haydens-field-dictionary-archive/) 

WORD COMPLETE **magnetite** noun 5 FACTS RECOVERED FIELD ARCHAEOLOGIST **YOU**