Aventurine. A variety of translucent quartz spangled throughout with scales of yellow mica. Also a variety of feldspar.
“Every comfort that the saints have in this world is a promise to them of those eternal mercies which the Lord hath provided for them: as every affliction that the wicked have here, is but the beginning of sorrows.”
–Jeremiah Burroughs, The Rare Jewel of Christian Contentment