This rock destroys human lungs and causes cancer with its tiny crystals that become airborne. Among its lovely effects, those unlucky enough to breath in some of it can expect lung irritation and scarring.
Regarded as fool’s gold, arsenopyrite is actually arsenic iron sulfide. Heating it releases the lethal gas, but just handling it alone can bring you into contact with the poison. Always wash your hands before you eat after you touch this.
Its crystals when broken down and introduced to water weakens and kills both animal and plant life by shutting down their vital functions. It was used formerly to clear ponds of plant growth.
It is found in magma veins. It is what happens when mercury fuses with tellurium – another toxic mineral. When heated, it releases a poisonous dust. It is also dangerous if handled poorly.
It forms in silver, neat-looking cubes. It is also extremely brittle and poses a high risk of lead poisoning if exposed through simple contact or by inhaling its deadly dust.
It happens when thallium, lead and arsenic raise a child together. Found all over Europe, and can cause severe sickness, death and hair loss in people it comes in contact with.
These rocks are made of arsenic and sulfur. Touching them is enough to release a neurotoxin, but some cultures have even used it as a weapon.
Alternative to silver for making utensils, these crystals killed many before production stopped. The antimony-laced rock can have a similar effect to arsenic poisoning in humans.
Found in granite and made of uranium, these green crystals have been long admired by collectors. Radioactive rocks release deadly radon gas when heated.
One of the most toxic rocks on the planet. It forms near sulfur deposits and volcanoes. When heated or disturbed, the crystals can release mercury which causes anything from severe tremors to death.
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