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Filter by category to explore our treasures.
Orthoceras (plate)
A slab full of Orthoceras fossils — ancient cephalopods that lived over 400 million years ago.
Orthoceras (polished)
A polished Orthoceras fossil showing the segmented shell of this ancient creature.
Ammonite
A polished ammonite fossil — a spiral-shelled sea creature that went extinct 66 million years ago.
Trilobite
A trilobite fossil — a marine arthropod that lived for over 270 million years!
Petrified Wood
A slice of petrified wood — real wood turned to stone over millions of years.
Amethyst (geode)
A large amethyst geode with its stunning purple crystals on full display.
Quartz (raw)
A raw quartz crystal, translucent with some dark inclusions inside.
Rock Crystal
A polished rock crystal (quartz) pebble, perfectly transparent.
Pyrite
A natural pyrite cube — also called "Fool's Gold." Its perfect cube shape is 100% natural!
Pyrite (polished)
A polished pyrite pebble with a shiny golden metallic lustre.
Bismuth
A bismuth crystal with rainbow colours and amazing staircase-shaped geometry.
Bismuth
Another bismuth crystal with iridescent green and gold reflections.
Desert Rose
A desert rose formed by gypsum crystallising in desert sand. It looks like a flower!
Green Agate
A polished green agate slice showing its translucent colour bands.
Blue Agate
A stunning blue agate slice with concentric blue and white bands.
Natural Agate
A sliced agate showing its natural brown and white banding patterns.
Mini Geode
A tiny geode cracked open to reveal its crystal-lined cavity inside.
Tiger's Eye
A polished tiger's eye pebble with shimmering golden-brown bands.
Selenite
A pearly white selenite crystal — a variety of gypsum with a silky glow.
Calcite
A piece of white calcite with natural geometric shapes.
Chalcanthite
A vivid blue chalcanthite crystal — a natural copper sulfate mineral.
Flint
A piece of flint — the stone prehistoric people used to make fire!
Aura Quartz
Titanium aura quartz with extraordinary metallic rainbow reflections.
Rainbow Hematite
A rainbow hematite pebble with iridescent multicolour reflections.
By the numbers
24
Specimens
18
Crystals
6
Fossils
The RockySD team has carefully collected each specimen over years of exploration and discovery. Every rock tells a story millions of years in the making!
Did you know?
The oldest rocks on Earth are over 4 billion years old! Some of our fossils are millions of years old, giving us a window into what life was like long, long ago. Collecting rocks is like reading the history book of our planet.