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lunarfox2015 · 2 months

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A Workshop for Creating Magical/ Fictional Crystals: A Guide from a Geologist

Hi folks, its me, here to talk about fictional writing again! Today I'm just tackling the idea of magical stones/mana stones by looking at existing minerals today and some neat properties that they have, and how you can apply these things to a fictional world. The goal is mainly to help you if you are stuck trying to come up with a unique magic system, or a unique identification/characteristic of your mineral.

First Things First: Mineral Shapes

I am exhausted, petered out, down-right fatigued by seeing every mineral depicted with having the crystal structure of calcite and quartz. There are soooooo many cooler, more interesting crystal structures, don't you think you would stop and take a look at a perfect cube in nature? It is completely unsettling.

Second: Color

Color within minerals can either be really important, or not important at all! It is your choice to decide if color is going to be something that means something to your mineral. But what are some times when the color is important? Well.... there are some elements that are called chromophores, this classification just indicates that these elements, when present, will determine the color of whatever they are in. So, if you wanted to treat mana like a chromophore, you could say, "Oh everything that contains mana turns green!" This could mean that regardless of the mineral, if that mineral is a specific color, it means it contains mana. This concept is exciting because you can just stop here and use minerals that already exist! You can also use it as an indicator for a magical ore! Chromophores are typically metals, so if you are making a new metal weapon, making the ore of that metal a unique color would make a lot of sense!

However, your mineral can also just be every color of the rainbow like quartz and perhaps that's what makes identifying your mana stones elusive and create an illusion of scarcity that your character can solve.

There are other things that can change the colors of minerals, like radiation damage, and electron exchange, but I think that is beyond what would be helpful! So lets talk about some unique color properties that happen in nature that seem magical in the first place! Maybe you don't need to design a mana stone, but you want a unique gemstone that only the royal family passes down or something (IDK).

The first one is the alexandrite effect! This is where a mineral can change color in natural light vs. incandescent light. (the mineral itself is not changing, but the lights contain different amounts of different colors that then get absorbed by the stone). Even if you don't use electricity in your fictional world, you could have the colors change in the presence of light magic. This could create fun misunderstandings about what the mineral is reacting to!

Pleochroism

Pleochroism is something that most minerals have, it is frequently used to help identify minerals in thin sections, however minerals are usually not pleochroic enough for it to be visible to the naked eye! Pleochroism is just a fancy name to describe the change in how light is absorbed based on the angle of the mineral! So if you scroll up to the first image where I showed a lot of crystal shapes, most of them have angles where they are longer and shorter! This will effect the way light travels in the crystal. Tanzanite is a popular mineral that does this.

Photochromism

This is when a mineral will change color (in a reversible way) when exposed to UV light (or sunlight), I am not going to go too into the details of why this is happening because it would require me to read some research papers and I just don't feel like it. The mineral that is best known for this is Hackmanite!

Alright! These are all the really cool color effects that might inspire you or maybe not, but now I am going to talk about how you might find your minerals within a rock!

When I see a lot of magical caves/mines, typically I see them with some variation of a geode honestly, but most minerals are not found like that! Now I am sure most of you guys have seen a geode, so I will not really talk about those, but I will talk briefly about porphyroblasts which is when the mineral grows larger than the minerals around it, this happens in metamorphic minerals!

sorry random stranger, but this is an image of garnets inside a finer-grained rock at gore mountain in New York!

Another way you might find minerals is in a pegmatite! This is when all minerals are really large! This is a formed from really slow crystalizing magma!

But something else to think about is that your mineral might just be massive, it doesn't have to have distinct crystals, it may be similar to jadeite where small grains grow together which leaves it looking smooth and seamless! A note about all of these is that you would have to mine into the rock to find these, there would not be any natural caves in these rocks! Caves are only ever really formed in limestones and maybe marbles (rocks that react with acid).

How can your characters identify these minerals?

Typically when you are out in the field you will look to see what type of rocks the minerals are found in (The overall texture of the rock will tell you how it formed). If you know how the rock formed, it will narrow down the amount of minerals you need to think about by quite a bit! Next, you are going to look closely at it and observe its crystal structure, does it have an obvious crystal? if so what is the general shape? If it is broken, how did it break? Did it fracture like glass or did it break along uniform planes. Some minerals have a thing called cleavage (breaks along planes of weakness). If a mineral exhibits this habit, it will again help narrow this down. Next we can look at color. Color can be misleading, because minerals like quartz can be any color imaginable, but minerals like olivine will always be green! The next thing your character can do is test for hardness, minerals all have a specific hardness that can help identify it as well.

After you go through all of this, your mineral might have some special property! This could be magnetism, fluorescence, reactions to acid, or any of the color changing effects I mentioned above! Other than that, your character can take it back to a lab and do a number of things to identify it, but the most typical thing would be for them to make a thin section (very thin piece of the rock) and observe it under a cross polarized microscope!

On that note folks! I hope this helped in some way in thinking of new magic mineral properties! I have other guides that explore some different fictional worldbuilding issues you might run into, but if you have any topics you would like me to cover please that I haven't mentioned already, let me know!

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lunarfox2015 · 2 months

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ponyville's best mailwoman!!

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lunarfox2015 · 2 months

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oh he 100% doesnt know what year it is

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lunarfox2015 · 2 months

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lunarfox2015 · 2 months

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i simply had to gif this

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lunarfox2015 · 2 months

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Playing through Fallout:New Vegas for the first time in years. And I'm developing a newfound appreciation for the damage done to the intended pacing of the narrative with the addition of the Courier's Stash. I wake up in Goodsprings, and as part of the extended tutorial you have Ghosttown Gunfight, the fairly self-contained faction war between Goodsprings and the Powder Gangers. And the design intent, I think, is that this is probably supposed to be a pain in the ass, with only one or two avenues of support available to you given the low level at which you'll pick this one up. Six Powder Gangers, some in body-armor, would be a serious threat, and committing to fighting against that with your dinky 9mm and a varmint rifle seems like a rough time! An actual uphill battle, doing the right thing instead of the easy thing. Fortunately, Benny inexplicably left my handy 40mm grenade launcher in the grave with me, so I cleaned up.

I'm working my way south, and, you know, in a version of the game where Benny didn't inexplicably leave my handy 40mm grenade launcher in the grave with me, this would have been the knock-on effect of my "good" Karmic choice in defending Goodsprings; the road south is littered with powder gangers who'd have been neutral had I not kicked the hornet's nest. As it stands? Free experience. I hit Primm, and fighting through the cramped hallways of the Bison Steve I encounter an enemy armed with what was clearly supposed to be the first heavy weapon I'd encounter in the world. Tight Corridors. Inexplicable Grenade Launcher. I clean up. South I go to the Mojave outpost, Nipton, that whole thing. And clearly, clearly you aren't meant to take a swing at Vulpes here, right? You're supposed to take it in, get a sense for the legion. In the version of the game that shipped you're supposed to get bodied if you try to kick the beef gate here. There are allowances in the game for if you pull it off, sure, but I did try with just the service rifle, without the glorious first-strike capabilities afforded to me by the 40mm grenade launcher that Benny inexplicably left in the grave with me. It didn't go very well!

So now I'm dogged by Legion hit squads on my way to Novac, which I get the distinct impression was not the point in the game at which this was supposed to start happening to me, because I am gathering up some pretty expensive equipment, all sold for space. I punch through to Vegas, and at this stage, the clear developer intent is that you need to spend some time milling around Freeside or Camp McCarran in order to gain access to the Strip- do odd jobs to scrape up the money, buy the forgery from Mick and Ralphs, gain monorail access, get your science skill high enough to hack the robot. Get the lay of the land, get a feel for the people, send some time stewing in the human cost of House's walled garden before you head in and hear the pitch from the big man himself.

Except I've got 5000 caps from selling off all the legion killteam equipment. In I go!

And the fun thing is, right, the Courier's stash can't be diegetic, but it is having a very direct impact on the world here. A top legion guy just went down to my inexplicable 40mm grenade launcher. Whatever else I'm roleplaying as, I am roleplaying as a guy who woke up in the possession of an inexplicable 40mm grenade launcher, and neither I nor my character can plausibly ignore that fact given its terrible bloodstained utility. I play a man, a man who would be a good man, a man nonetheless bewitched by the terrible resolutory power of the grenade launcher. My best friend, the inexplicable 40mm grenade launcher! My worst enemy, the inexplicable 40mm grenade launcher!

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lunarfox2015 · 2 months

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Slay the Princess was gay. to me. the protagonist is but a vessel. I chose the dialogue. each word flooded forth from my sapphic love for her. and I did love her.

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