Gemstones, including rubies, emeralds, and sapphires, can be sold for cash, much the same as diamonds and other jewelry. However, more often than not, those stones have very little resale value, ...

Owning one of San Jose’s most popular crystal shop wasn’t always set in stone for Theresa Gepila. Growing up in Daly City, the 28-year-old never understood the significance of crystals — which are ...