Starmatter Brush
Starmatter Brush is a legendary tool.
Can be used once to excavate a fossil, with heightened success.
Sources
Can be obtained via 
Spawnable Item Pack or 
Technical Information
- In-game ID:
ct_starmatter_brush - Power:
4.0 - Rarity:
Legendary - Tags:
alta,fossilbrush,legendary - File:
/items/active/alta/tools/brushes/starmatter_brush/ct_starmatter_brush.activeitem