Watermelon Tourmaline:
Appearance: A striking variety of Tourmaline with a unique color combination—green on the outside and pink or red in the center, resembling a watermelon. The colors can be ...
Green Tourmaline:
Appearance: Vibrant green, ranging from light pastel greens to deep forest hues. It can be transparent to translucent and is often found in long, prismatic crystals.
Compositi...
Vanadinite:
Appearance: Red to orange or brown crystals, often with a hexagonal, prismatic shape. It has a resinous to shiny luster, and its color can range from deep red to a more orangey or bro...
Aragonite:
Appearance: Typically white, beige, or brown, but can also appear in vibrant shades of blue, green, or pink. Crystals are often fibrous or columnar.
Compos...
Knightia Alta Fish Fossil (from Wyoming):
Appearance: The Knightia Alta is an extinct species of freshwater fish preserved as a fossil in shale rock, often with detailed imprints of its body, fin...
ChatGPT said:
Stromatolite:
Appearance: Often found as fossilized rock formations with layered, banded structures. These layers can range in color from brown, gray,...