You searched for: “dactylithic
dactylithic, dactylitic
1. A reference to a rock texture produced by the intergrowth of two different minerals whereby fingerlike projections of one mineral penetrate the other mineral.
2. Relating to a rock texture, characterized by finger-like projections of a mineral that penetrate another mineral.
3. Relating to, or designating, a finger-like growth of crystals upon other crystals.