Extreme Rocks & Fossils Uruguayan Amethyst Geode Cluster (1 to 1.5 lb) vs New Age Amethyst Stone Pyramid (25 to 30mm)

The Extreme Rocks & Fossils geode is the pick for display, and the only one here that looks like a specimen rather than a trinket. Each piece is a natural section of an amethyst geode from Uruguay, a cluster of crystal points still attached to their host rock, sold by weight at 1 to 1.5 pounds. The seller says each one is inspected and packed in the USA, and that the edges are polished.

Uruguay is known for a darker, more saturated purple than much of the amethyst on the market, and that color is what you are paying for. Because every cluster is natural, the shape, point size and depth of color will differ from the photos. The listing gives weight but no dimensions, so think of it as roughly hand-sized rather than a showpiece cathedral.

The listing leans on chakra and reiki language, which has no supporting evidence, and the geode is no less attractive without it. Practical notes: the crystal points can chip if the cluster is knocked over, and an irregular base may rock on a smooth shelf, so a small stand or felt pad helps. Price has ranged from $48.99 to $51.99 since June. Retailer rating: 4.6 from 1,749 reviews.

The New Age amethyst pyramid is the cheapest real mineral in this guide and the smallest. Amethyst is purple quartz, and the pyramid is carved by hand to roughly 25 to 30mm, a little over an inch, with a listed weight of 9.07 grams. It reads as a desk or windowsill object, not a display piece.

Quartz rates 7 on the Mohs scale, which means a pyramid this small survives being carried in a pocket or knocked off a shelf far better than softer stones such as calcite. Expect visible banding and pale patches rather than a uniform violet. The listing warns that shade and pattern vary from piece to piece, and at this price the stone is usually lighter and cloudier than the deep purple in a showcase specimen.

The seller's spiritual claims about amethyst have no supporting evidence. Buy it as a small, durable carved stone for under nine dollars. It is easy to lose, and amethyst can fade if it sits in strong direct sun for long periods, so a windowsill in full sun is not the ideal spot. Retailer rating: 4.2 from 467 reviews.