Lodestone
from Middle English lode meaning journey or way, referring to its use as a leading stone
A naturally magnetized mineral used for early navigation and divination
Lodestones are naturally occurring pieces of the mineral magnetite that act as permanent magnets. They were the first magnetic compasses and played a key role in ancient navigation across China, Europe, and possibly the Americas.
- First discovered by Greek philosopher Thales in the sixth century BC
- Used by Chinese geomancers as south-pointing spoons on bronze plates
- Likely formed by lightning strikes aligning magnetic domains
- Isaac Newton owned a ring with a lodestone lifting 200 times its weight
- Name means course stone or leading stone in Middle English
What it is
A lodestone is a piece of the mineral magnetite that has become naturally magnetized. It is one of the few minerals found in this state and can attract iron objects. These stones served as the first magnetic compasses, guiding early navigators on their journeys. The name itself reflects this function, deriving from terms meaning course or leading stone. They are black or brownish-black with a metallic shine and a specific hardness level.
Where it comes from
Geologists still debate how these stones form. Ordinary magnetite lacks the resistance to stay magnetized, but lodestones have a unique crystalline structure with inclusions of maghemite and impurities like titanium. This structure allows them to remain permanently magnetized. The leading theory suggests lightning strikes align the magnetic domains within the rock. This explains why they are mostly found near the Earth's surface rather than buried deep underground.
How it is done
Ancient users suspended lodestones so they could turn freely, creating the first compasses. In China, geomancers placed lodestone spoons on smooth bronze plates during the second century BC. The spoon would rotate to align with the north-south axis, aiding in divination. Later European mariners used lodestones to illustrate magnetic fields and guide compass needles. The stones were also used in India to remove embedded arrows from bodies by attraction.
Tools and materials
The primary tool is the lodestone itself, often shaped into bars or spheres. Early Chinese devices included bronze plates for spinning spoons. European displays featured terrellas, or little earths, which were spherical lodestones. These were used with steel filings and needles to demonstrate magnetic forces. The Ashmolean Museum holds a specimen adorned with a gilt coronet, showing its status as a prized object.
Lodestone, drawn and placed
- Living
- Revived
- Fading
- Historical
- Legendary
- Performed
What it is for
People used lodestones for navigation, divination, and medical treatments. Navigators relied on them to find direction at sea. Chinese geomancers used them for astrological purposes and to orient temples or tombs. Indian healers used their magnetic pull to extract metal shards from wounds. Scholars and collectors displayed them as prestigious items to show off scientific knowledge or secure appointments.
Who does it
Various groups interacted with lodestones. Greek philosophers like Thales studied their properties. Chinese geomancers experimented with them for spiritual guidance. Olmec artisans may have shaped them for directional purposes over a thousand years before Chinese records. European scholars and royal societies displayed them for educational demonstrations. Collectors and nobles kept them as valuable curiosities.
At a glance: who, where and when
Who does it
Questions people ask about Lodestone
What is a lodestone?
It is a naturally magnetized piece of the mineral magnetite. It acts as a permanent magnet and can attract iron. These stones were the first magnetic compasses used for navigation.
Where does the word come from?
The name comes from Middle English, where lode meant journey or way. Lodestone thus translates to course stone or leading stone, reflecting its use in guiding travelers.
How did people use it for healing?
Ancient Indian texts describe using lodestones to remove arrows embedded in the body. The magnetic property was believed to help extract the metal fragments safely.
Who first discovered its magnetic properties?
Greek philosophers credited Thales of Miletus with discovering the attraction to iron in the sixth century BC. He noted how lodestones attracted other stones and metals.
How were they used in divination?
Chinese geomancers placed lodestone spoons on bronze plates. The spoon would rotate to align north-south, helping determine directions for temples, dwellings, or burials.
Good reading and sources
- Lodestone on WikipediaEncyclopedia
- More photos on Wikimedia CommonsPhotos and video
- Wikidata recordOpen data
The facts on this page come from the Wikipedia article "Lodestone", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryJaadu rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes. Names and customs differ from one community to the next, and some knowledge is closed to outsiders and left out here. This page describes belief and practice. It does not say that any of it works, it is not a how-to, and it is not medical advice. If something is wrong, tell us. Last refreshed 2026-10-05.
More from China
All the entries from China
🇧🇪 Belgium and 2 moreHorseshoe
A metal shoe for a horse's hoof and a talisman of good fortuneCharm · Protection · Luck and prosperity Living
🇺🇦 Ukraine and 5 moreMugwortчорнобиль (chornóbyl')
An aromatic herb used in folk medicine, cooking, and magical protection across Eurasia.Substance · Protection · Healing Living
🇷🇺 Russia and 5 moreAmber
Fossilized tree resin used in jewelry and folk healing traditionsSubstance · Protection · Healing Living
🇦🇺 Australia and 5 moreSword swallowing
A dangerous stage skill where a performer guides a blade down the throat into the stomachIllusion · Wonder and entertainment Living
Related elsewhere
All substance
🇨🇳 China and 5 moreGuanyin觀音 (Guānyīn)
The Bodhisattva of compassion, worshipped across East Asia as a listener to human sufferingBeing · Protection · Healing Living
🇸🇳 Senegal and 1 moreSerer religionA ƭat Roog
The traditional faith of the Serer people, centred on the supreme deity Roog and ancestral veneration.Tradition · Protection · Speaking with spirits and the dead Living
🇰🇪 Kenya and 1 moreMaasai religion
The spiritual beliefs of the semi-nomadic Maasai people of East AfricaTradition · Protection · Healing Living
🇺🇸 United StatesFolk healer
An unlicensed community member who provides healing care using local plants and traditional knowledge.Tradition · Healing · Protection Historical