The abacus beads are white outside and reddish brown inside. What kind of wood is this?

Wooden abacus, rosewood, rosewood and rosewood are the best collections. A good wooden abacus can't be drawn, because a good wooden abacus pays more attention to primary colors. After years of baptism, good wood will become brighter and brighter, and beads will become smoother and smoother. Only wooden abacus made of ordinary materials will be painted with heavy paint to cover up the mediocrity of wood.

Pear wood, pine wood, Daphne family and cypress wood belong to medium wood, while miscellaneous wood belongs to low-grade wood.