Authentic Gold within Quartz tested read

2.75"L×1"w×1.25"h Authentic gold Real gold matter flattens when crushed. If it crushes into flakes and powders, it's pyrite-. This is a sliced piece of quartz holding authentic gold. It is part of my collection I am starting to sell elsewhere as mission loss here is too high. Pieces this size only a tad more impressive typically resell for 2-300$. Display underplate included. DOES NOT QUALIFY FOR MY BUNDLE SALES PRICE IS AS LISTED