What does 10k cal mean on jewelry?

The term "10k cal" on jewelry typically refers to the gold content, indicating that the piece is made of 10 karat gold. This means that it contains 10 parts gold out of a total of 24 parts, or approximately 41.7% gold content, with the remaining 58.3% made up of other metals. The "cal" likely refers to "carat," a measure often used for gemstones, but in this context, it emphasizes the gold purity. Hence, 10k gold jewelry is more durable and less expensive than higher karat gold.