Dirinnium

I had thought my blade to be dull, but this..!
— astonished knight
  Dirinnium, also known as swindler's silver, is an uncommon naturally-occurring semi-precious metal derived from dirinnite ore. Found most commonly in hydrothermal mineral deposits alongside garnets, quartzes, and copper, it is often mistaken for silver due to their extreme visual similarity and a number of their shared properties.  
Dirinnium Ore by Hanhula (via Midjourney)
It has been the cause of much frustration over the years. While silver is an incredibly magically-conductive material with strong effects against certain enemies, like devils, dirinnium has no similar effect and is indeed a magic absorber.   When magic is channeled into it, it either nullifies it or redirects it immediately, which can be a complete pain when deep into the enchanting process.   Merchants and metalworkers alike run into constant issues with swindler's silver. As a more common metal than silver, those unfamiliar with its existence (or deciding to become the titular swindlers) frequently trade it and goods made from it as if they are silver. When some uses of silver can be incredibly delicate, as mentioned, this could be a very dangerous (or very expensive) mistake for any worker or trader to make.   After all, dirinnium has some fantastic reactions, and warps under pressure in a very odd manner.
  Weapons or armour can be coated with dirinnium through an alchemical process, much the same way silver can. This imparts the minor ability for the weapon to absorb small amounts of magical energy, though it may randomly release that energy on the wielder or their target, while also rendering the dirinnium inert so that it won't explode or distort.

Properties

Physical & Chemical Properties

I mean, it's great if you just need something that looks like silver.
— jeweller
  For the most part, swindler's silver looks and behaves like actual silver - with some differences. Dirinnium is a softer and more reactive metal, and thus despite boiling at approximately the same temperature as silver, it begins to melt far sooner. For artisans with a careful eye, this is the easiest tell that the silver they were sold was either an alloy of dirinnium and silver, or was not silver at all.  
Silver is highly conductive. Dirinnium is less so, more comparable to copper with electricity and behaving entirely differently with magic as previously mentioned.   Its magic absorption properties have been a curious source of research for some alchemists and metallurgists; it is currently being investigated to determine whether it could be used to store magic for longer periods of time if alloyed with other materials. When used alone, dirinnium tends to react unpredictably and often violently.   While dirinnium tarnishes much like silver, it takes far longer to do so, and oxidises to a more pale white-like coating rather than the dark blemishes of silver.   This has been a surprisingly favourable property for jewellers seeking to make jewellery of silver colour but without requiring the level of care silver can need, though this must also be weighed against the impact of its other properties.
Moment before Disaster by Hanhula (via Midjourney)
  This use in jewellery is reportedly a large part of why dirinnium is still relatively expensive to obtain.   One of dirinnium's more unusual properties is what happens when it is struck with force. If it is unheated, then striking with dirinnium causes the metal to immediately fall into a viscous semi-fluid flexible state. When heated, this property is not observable.   Naturally, this means enterprising blacksmiths have attempted to forge silver blades only for their wielders to find out in their first fight that their sword becomes floppy when it clashes against another. Unless heated in its floppy state, struck dirinnium will revert to its previous state over the course of an hour or so.   It is also a very reactive metal under certain circumstances. While it only tarnishes in air (unlike silver, which requires more than air alone) or water, attempting to alloy it with acids (perhaps in a mistaken attempt to make silver nitrate or similar) causes a violent fuming flame that is known to cause a toxic reaction in most humanoids.

History & Usage

History

Please don't tell me you've spent all this time working on my masterpiece only to use swindler's silver?! It's going to destroy the Polyhedric Powerglass!
— angry Polyhedran inventor
  Dirinnium has been used throughout known history ever since mining of hydrothermal deposits began. Though its formation is not common and is more likely in areas of significant volcanic activity, it has nonetheless been part of the metals trade for a long time - perhaps as long as silver itself, given that it is more common than its long-lost sibling.   The downsides of dirinnium - its softness, reactivity, absorption, and the odd effects under force - have long prevented its use in most industrial contexts, as a building cannot be built on a structure that might fall over if someone is thrown into its wall.  
Metal and Wine by Hanhula (via Midjourney)
However, it finds a lot of use in magical experimentation and security, and its alloys with other materials have been able to counter its downsides - especially its reactivity - enough to enable use in some permanent structures.   History is also littered with incidents of cut costs causing disasters because of dirinnium. Sacred relics have been replaced with dirinnium forgeries many a time, leading to dangerous incidents if those relics are used in ceremony.   While the time a Gildón church found out that a sacred hammer had been replaced by the way it went floppy in the middle of a wedding was hilarious, the explosion that ripped through a Vostene village when their new silver chalice dipped into their highly acidic holy wine was not.   There has also been some progress in using it medicinally in recent history. Clerics in Celesthem Temple have been testing its magic absorbent properties with magical poisons and diseases.
  If their experiments go well, they hope to see if the metal can aid the healing process as an antidote quickener - though this might be problematic with its toxicity during reactions. Scholars in Shiar, too, have been investigating whether it may be able to hold healing charges for delayed use.   While this is still a young field of research, it seems promising.  
Perhaps we'll find more secrets if we keep playing with it...
— adventurer
Dirinnium Ingots by Hanhula (via Midjourney)
Type
Metal
Value
~2gp per 1lb
Rarity
Uncommon
Odor
None perceivable
Taste
Mostly tasteless
Color
Silver
Boiling / Condensation Point
2,162 °C
Melting / Freezing Point
800 °C
Density
~9 - 10 g/cm³
Common State
Solid

Compounds

  When playing with dirinnium, the first thing to keep in mind is that one should never assume it will react the same way as silver.   Dirinnium nitrate is a flaming toxic substance of little use outside of destruction, the direct opposite to silver nitrate, and while silver chloride is useful for its photosensitivity and warding abilities, dirinnium chloride instead produces a corrosive substance capable of eating magic at the cost of producing deadly gases.   Interestingly, alloying dirinnium with silver produces a slightly more stable version of dirinnium capable of withstanding more force, and that is entirely magically inert. It does not tarnish, and is frustratingly inflexible when trying to work it. It is commonly produced while trying to fake silver shipments by cutting them with bars of dirinnium.   Dirinnium sulfide is often produced naturally in the veins dirinnium is mined in. It resembles a white ash, and is known to miners as cloudash for the white fumes it gives off if disturbed. Its only known use currently is in alchemy as a reagent for wind spells.   Intriguingly, alloying dirinnium with certain magical materials causes unique effects. Perhaps ask an alchemist what happens if you alloy it with istralite. Their reaction should be enough.
 
I'm going to send letters out through the whole world so everyone knows how terrible that bloody trader's alleged silver is.   It burned down my bloody shed! All I did was knock a bloody drink onto it for half a second!
— perplexed builder
 
False Silver by Hanhula (via Midjourney)

Cover image: Dirinnium cover by Hanhula (via Midjourney)

Comments

Please Login in order to comment!
Aug 2, 2025 12:18 by Dr Emily Vair-Turnbull

It must be some kind of omen if the sacred hammer goes floppy during your wedding. XD

Emy x
Explore Etrea | Summer Camp 2025