The bottom one reminds me of a petrified wood piece I had when I was young. I agree with moss agate too, not sure of the other one though.
Listen. Can you hear us? Look for us beneath the silence. - Solus
Come faeries take me out of this dull world. For I would ride with you upon the wind and dance upon the mountains like a flame. - W B Yeats
May you touch dragonflies and stars, dance with faeries and talk to the moon. - Unknown