The lobular rosewood and obsidian have their own special properties and uses, and there is no absolute difference between them. Choose to look at personal preferences and needs.

1. lobular rosewood: It belongs to redwood with high density and good oiliness, and has collection value and playability.

2. Obsidian: usually dark black or dark gray, with hard texture, high density and unique energy field. Can be used to make various ornaments or jewelry, such as necklaces, bracelets, beads, etc.

Generally speaking, lobular rosewood is more suitable for collection and play, and obsidian is more suitable for jewelry. But the specific choice needs to be decided according to personal preferences and needs.