Sulfur

Crystalized sulfur is a simple mineral made up of only one element known for its vibrant yellows that forms in volcanoes and hot springs throughout many regions globally. It grows in the orthorhombic crystal system forming its notorious protruding triangular prism shapes, there’s really nothing else that looks quite like sulfur. They do actually have a sulfur scent but it is not pungent, you can only get a faint scent when held directly up to your nose. These crystals always pop in someones collection amongst the rest

Hardness. 1.5 – 2.5
Composition: S