They were full of gold jewellery encrusted with diamonds, rubies, sapphires and emeralds. It is made of gold with diamonds, rubies, emeralds, sapphires, enamel and pearls. Other gemstones, such as sapphires, rubies, and emeralds have different systems. Business flourished in precious stones such as diamonds, lapis lazuli, onyx, topaz, carbuncles and emeralds. Each set consists of 37 items, made up of diamonds, rubies, emeralds, and sapphires. Fracture filling has been in use with different gemstones such as diamonds, emeralds and sapphires. Gemfields is a luxury company that produces emeralds, rubies, and amethysts. This masterpiece incorporates 1,300 pearls, 300 sapphires, 300 emeralds, and 400 garnets. Peridot is sometimes mistaken for emeralds and other green gems. The Canadian Shield is known for its vast minerals, such as emeralds, diamonds and copper. Shadow repels it, allowing Knuckles to deactivate the Chaos Emeralds with the Master Emerald. "Sonic & Knuckles" introduced the Master Emerald, which controls the power of the Chaos Emeralds. Queen Mary had the tiara altered to accommodate 15 of the Cambridge cabochon emeralds. It also possesses significant amounts of nickel, gold, silver, platinum, and emeralds. The Patricia is one of the few large gem-quality emeralds that remains uncut.