What is this? Uncle had this since decades and never found out what it this?

Uncle has had this mysterious thing for decades, but he never knew what it was until now. It’s called marcasite, a special kind of mineral.

What makes it interesting is its unique crystals that look like the colorful crest of a rooster. These crystals add a fun and beautiful touch to the mineral, which itself has a shiny, yellowish color.

The special thing about marcasite is these cockscomb crystals. They’re very delicate and detailed, making them stand out against the rest of the mineral. They show off the beauty and artistry found deep within the earth.

So, Uncle’s mysterious item turns out to be marcasite, a fascinating mineral with these captivating cockscomb crystals. It’s a neat reminder of the wonders hidden beneath the ground.