Why is silver used for protective amulets?

Three reasons at once: it is the most reflective metal in visible light, which suits charms meant to turn a gaze back; it was affordable enough for ordinary households; and it is soft enough to work without industrial tools. Its assignment to the Moon in the planetary scheme adds a fourth in talismanic contexts.

Does silver really have antimicrobial properties?

Yes. Silver ions disrupt bacterial cell function, and silver dressings are used in modern burn care. Historical practices like storing water and milk in silver vessels had a real effect. That does not extend to drinking colloidal silver, which has no demonstrated benefit and can cause permanent skin discolouration.

What does it mean when a silver charm turns black?

It is tarnishing, a chemical reaction between silver and sulphur compounds in air, sweat and some foods. It is sometimes read as the charm absorbing something, but the same thing happens to unworn silver in a drawer.

Is silver really the metal of the Moon?

In the planetary metal scheme inherited from Hellenistic and Islamic sources, yes, and that assignment is binding for talisman-making. A lunar talisman in another metal is considered an error rather than a variation.

Where does the silver-against-werewolves idea come from?

It is a nineteenth- and twentieth-century development, cemented by retellings of the Beast of Gévaudan and then by film. Older European belief associated silver with protection against witches and the fair folk, usually because coins carried a consecrated image.

Talismans · Materials

Silver

Also called: Luna, argentum

The metal ordinary households could afford to put on a child, which is why most surviving amulets are made of it.

At a glance

Planet: The Moon
Reflectivity: The highest of any metal in visible light
Tarnish: Blackens with sulphur in air
Antimicrobial: Genuinely, and known long before germs were
Used for: Hamsas, hammers, seals, kame'ot, coins
Folk role: Against the eye, the fair folk and the undead

Why silver and not something else

Three reasons stack, and they have nothing to do with each other.

It is reflective. Polished silver is the most reflective metal in visible light, which makes it the natural material for an amulet whose job is to send a look back. Mirror-amulets, polished discs and burnished pendants all rely on this.

It is affordable. Not cheap, but within reach of a working household in a way gold never was. The overwhelming volume of surviving amulet material from North Africa, the Levant, Central Asia and Latin America is silver because that is what people could buy.

And it is workable. Soft enough to cut, chase, filigree and granulate without industrial equipment, which is why silversmith traditions exist in every one of those regions and goldsmith traditions are rarer.

The Moon

In the planetary metal scheme inherited from Hellenistic and Islamic sources and carried into European magic, each planet has a metal: gold to the Sun, silver to the Moon, iron to Mars, copper to Venus, tin to Jupiter, lead to Saturn, quicksilver to Mercury.

That scheme governs talisman-making rather than folk amulets. A lunar talisman must be silver; making it in another metal is not a stylistic variation but an error, and the medieval and Renaissance texts are strict about it.

What the Moon governs also matters for what silver charms are used for: night, dreams, tides, travel by water, childbirth, the changeable and the vulnerable. That is a good description of what most protective charms are actually about.

The one thing the folklore got right

Silver has genuine antimicrobial activity. Silver ions disrupt bacterial cell function, silver dressings are used in modern burn care, and silver-lined vessels really do keep water and milk fresher.

People noticed this long before they could explain it. Water carried in silver, coins dropped into milk jugs, silver spoons for infants: these are real practices with a real effect, and they are the strongest empirical basis any material in this library has.

What does not follow is the modern colloidal silver trade, which is a different claim entirely. Ingesting colloidal silver has no demonstrated benefit and can cause argyria, a permanent blue-grey discolouration of the skin. The metal's genuine surface property does not transfer to swallowing it.

Silver against monsters

The association of silver with werewolves is far younger than most people assume. It is not medieval; the classic form is nineteenth and twentieth century, cemented by the Beast of Gévaudan retellings and then by cinema, and it is now so firmly established that it functions as folklore whether or not it began as one.

Older European belief does put silver against witches and the fair folk, and a silver coin, a silver button or a silver-tipped weapon appears in a range of accounts. The reasoning there is generally that silver is a pure and consecrated metal, often because coins carried a ruler's or a saint's image, rather than anything about wolves.

How silver is used in charm-making

The working properties that shaped the traditions.

Cast, cut from sheet, chased, pierced, filigreed or granulated, all achievable in a small workshop.
Polished to a mirror finish when reflection is the point, or left matte when the design carries the meaning.
Engraved with names and verses, which is what most Jewish kame'ot and Islamic ta'wiz cases are.
Alloyed for hardness. Sterling is 92.5 per cent silver; much traditional amulet silver is lower and softer.
Cleaned rather than replaced when it blackens. Tarnish is a sulphur reaction, not a sign the charm has failed.

Silver's blackening is sometimes read as the charm having absorbed something. It is a chemical reaction with sulphur compounds in air, sweat and certain foods, and it happens to a silver spoon in a drawer just as readily.

What silver belongs with

The charms most often made from it and the purposes it serves.

Questions for reflection

Silver protects partly because it is affordable. How much of what we call tradition is really economics?
The one true property here, its antimicrobial effect, is not the one the folklore emphasised. Does that matter?
Would you rather a charm that reflects, or one that absorbs?

Frequently asked questions

: Three reasons at once: it is the most reflective metal in visible light, which suits charms meant to turn a gaze back; it was affordable enough for ordinary households; and it is soft enough to work without industrial tools. Its assignment to the Moon in the planetary scheme adds a fourth in talismanic contexts.
: Yes. Silver ions disrupt bacterial cell function, and silver dressings are used in modern burn care. Historical practices like storing water and milk in silver vessels had a real effect. That does not extend to drinking colloidal silver, which has no demonstrated benefit and can cause permanent skin discolouration.
: It is tarnishing, a chemical reaction between silver and sulphur compounds in air, sweat and some foods. It is sometimes read as the charm absorbing something, but the same thing happens to unworn silver in a drawer.
: In the planetary metal scheme inherited from Hellenistic and Islamic sources, yes, and that assignment is binding for talisman-making. A lunar talisman in another metal is considered an error rather than a variation.
: It is a nineteenth- and twentieth-century development, cemented by retellings of the Beast of Gévaudan and then by film. Older European belief associated silver with protection against witches and the fair folk, usually because coins carried a consecrated image.