Epoxy is best for gluing glass to wood.
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To effectively glue beads to glass for a beautiful and durable design, use a strong adhesive specifically designed for glass and jewelry making. Clean the glass surface thoroughly before applying the glue, and carefully place the beads in your desired design. Allow the glue to dry completely according to the manufacturer's instructions for a secure and long-lasting bond.
Epoxy would glue beads to bone best.
100 % silicone would work.
Wood beads are simply a variety of woods cut or turned into the shapes of other beads, what the bead is made out of is the only difference between a glass and wood, or any combination of materials, (metal,wood,glass,plastic,precious stones,etc.) generally a bead has a hole within the shape. A wood beads used in Jewelry need a durable protective finish because of the wear factor against the skin. Beads of any type of materials can be used for a multitude of decorative and or decorating purposes.
Glass can be attached to wood without using glue by using methods such as using metal clips, screws, or brackets to hold the glass in place on the wood surface. These methods provide a secure attachment without the need for adhesive.
To effectively adhere glass to wood using glue, you should first clean and dry both surfaces thoroughly. Then, apply a strong adhesive specifically designed for bonding glass and wood. Press the two surfaces together firmly and allow the glue to dry completely according to the manufacturer's instructions.
Glass
Bead-glue
If the beads are glass or metal I suggest soaking them in hot water until they are loose enough to pull off. Don't try this if the beads are made of wood.
epoxy works for wood and metal.