Chrysoprase stone is the most valuable variety of chalcedony. It is translucent, apple-green gemstone. The name of the mineral is derived from the Greek words chrysos meaning gold and prasos meaning leek.. Indeed, chrysoprase is usually green or bluish-green color, which is determined by nickel compounds.hrysoprase stone is the most valuable variety of chalcedony. It is translucent, apple-green gemstone. The name of the mineral is derived from the Greek words chrysos meaning gold and prasos meaning leek.. Indeed, chrysoprase is usually green or bluish-green color, which is determined by nickel compounds.
Sourdough bread is probably the most affiliated with San Francisco. Ghirardelli chocolate is another. And dungeness crab is a third. Just take a cruise on Fisherman's wharf to see why. I would also say that San Francisco is known for culinary diversity (which is not exactly what you asked, I know). Being such a point of entry for so many countries East and a town focused on food means we get great food representing regions from all over the world.
usfca_admission. When it comes to activities, San Francisco has something for everyone. You can shop on Market Street, check out amazing art museums like @SFMOMA, or eat some of the best food in the world at one of the city's many restaurants.