Practical guides on identifying rocks, minerals, and crystals — from taking better photos to understanding geological data.
A direct comparison of every rock identifier app on Google Play — what each one gets right, where they fall short, and which one to install.
Read guide arrow_forwardStep-by-step: how to photograph specimens for best results, what the AI looks for, and how to interpret identification data.
Read guide arrow_forwardFound a rock and wondering what it is? This field guide covers the most common rocks and minerals you'll find — and how to tell them apart.
Read guide arrow_forwardHow AI models analyze rock photos — what visual features they look for, why they outperform field guides, and where they still struggle.
Read guide arrow_forwardCrystals, minerals, gemstones — the terminology is confusing. This guide explains the differences and covers the most common specimens you'll encounter.
Read guide arrow_forwardSix tests — colour, hardness, streak, cleavage, lustre, and crystal habit — explained step by step. Includes a crystal identification chart and common specimens.
Read guide arrow_forwardQuartz, gemstones, minerals — what makes them different and how to tell them apart. Covers the main groups, common confusion pairs, and a practical ID sequence.
Read guide arrow_forward5 free rock identifications included. No account required.
download Get Stone Snap on Google Play