RockbudRockbud guides
Short, honest answers to the rock questions families ask most.
- How to tell if a rock is valuableMost rocks people find are worth little or no money. Value comes from rarity, crystal quality and size, color,…
- Is it a geode? 6 signs to check before you crack itA geode is usually roughly round with a bumpy, cauliflower-like outside, feels lighter than a solid rock of the same…
- How to do a streak test at home (and what the color means)Rub a mineral firmly across unglazed white porcelain, such as the back of a bathroom tile, and look at the color of the…