It's a logo for a human bone which looks like a leg bone. The bone is tilting from left to right with a heart shape at the bottom left of the icon. On the top right the bone has been broken off an is dangling from the bone.
This Human Bone icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.