Have you seen Larvikite Flat Stones in your crystal exploration? It is also called Norwegian Moonstone although not a real moonstone. Reason for the name is the lovely flashes like rainbow moonstone which actually is white labradorite!
Healing Properties of Larvikite (Lavakite. Lavikite)
It is excellent for achievement of goals and learning, enhancing memory capacity and understanding. Use it to opens one’s subconscious “teaching on higher levels” so excellent for students. This crystal enhances youthfulness and vitality. It can also be useful for lucid dreaming, stimulates inner visions and psychic abilities. Great if wishing to do Elemental magic and to connect with Nature spirits.
And here are lavakite pebble shape also called palm stones. The flat shape is great to stroke, put in a big pocket, lay on the body and may fit a hemp necklace.