Gold is a precious metal that is highly valued for its beauty, rarity, and durability. It is often used in jewelry making due to its malleability and ability to be worked into intricate designs.

Sterling silver is an alloy composed primarily of silver, with a small percentage of copper added to increase its strength and durability. The standard composition of sterling silver is 92.5% silver and 7.5% copper.

Sapphire is a gemstone known for its deep blue color. It is a variety of the mineral corundum, which is also the mineral that forms rubies. Sapphires are often associated with royalty and nobility.

Diamond is the birthstone for the month of April. It is a precious gemstone known for its exceptional hardness, brilliance, and fire. Diamonds are often used in engagement rings and other fine jewelry.

Brass is a metal alloy composed primarily of copper and zinc. It is commonly used in costume jewelry due to its affordability, versatility, and ability to be easily worked into various shapes and designs.

Opal is a gemstone known for its unique play of colors, which is caused by the diffraction of light within the stone. Opals can exhibit a wide range of colors, including blue, green, red, and yellow.

Emerald is a gemstone known for its rich green color. It is a variety of the mineral beryl, which is also the mineral that forms aquamarine. Emeralds are often associated with wealth and prosperity.

Diamond is a gemstone composed of crystallized carbon. It is the hardest known natural substance and is highly valued for its exceptional brilliance, fire, and durability. Diamonds are often used in engagement rings and other fine jewelry.

Ruby is a gemstone known for its deep red color. It is a variety of the mineral corundum, which is also the mineral that forms sapphires. Rubies are often associated with love and passion.

Pearl is a gemstone composed of calcium carbonate. It is formed inside the shells of certain mollusks, such as oysters and mussels. Pearls are often used in jewelry due to their unique beauty and luster.

Silver is a metal known for its silvery-white color. It is highly malleable and ductile, making it easy to work with and shape into intricate designs. Silver is often used in jewelry making, both as a standalone metal and in combination with other metals.

Aquamarine is a gemstone known for its blue-green color. It is a variety of the mineral beryl, which is also the mineral that forms emeralds. Aquamarine is often associated with peace and tranquility.

Platinum is a metal known for its high melting point and exceptional strength and durability. It is often used in jewelry making for its ability to withstand wear and tear, making it a popular choice for engagement rings and other fine jewelry.

Citrine is a gemstone known for its yellow-orange color. It is a variety of the mineral quartz and is often associated with joy and optimism.

Copper is a metal known for its reddish-brown color. It is often used in jewelry making for its unique appearance and durability. Copper can be alloyed with other metals, such as zinc, to create different colors and properties.