I remember about this time last year when agate started popping up everywhere, the trivets and coasters being the most prominent of the lot. I just discovered the above agate candle holders by Rablab and think they're stunning. They have flattened bases for stability and a small spike is fixed inside the crystalline cavity to secure the candle, otherwise these are natural hunks of volcanic rock from deep within the earth. $110 at A+R. Excellent gift!