sentence: Sapphires have long history.
sentences_after: Tradition says that the tablets of the Ten Commandments were made of sapphire, so strong a hammer could not break them, and would break instead if it hit them. The ancient Persians believed that the earth sat on a big sapphire and that the big sapphire made the sky blue.
concept_name: sapphire
headings: Sapphire
categories: Gemstones Birthstones