Pretty Red Jasper!

Jasper is a type of sedimentary rock, classified as a variety of chalcedony, which is a microcrystalline form of quartz; it's essentially an opaque, fine-grained aggregate of quartz with various impurities that give it its distinctive colors and patterns.
Key points about jasper:

Composition:
Primarily made up of microcrystalline quartz with impurities that cause its opacity and color variations.

Appearance:
Usually opaque, with colors ranging from red, yellow, brown, green, and rarely blue.
Formation:
Often formed from volcanic ash deposits where silica-rich material settles and solidifies.
Variety of types:
Different names like "picture jasper," "bloodstone," "mookaite" are given based on color patterns and origin.