Epididymite

Glaucodot is a metallic mineral characterized by its opaque appearance and grayish tin-white color. It is found in hydrothermal deposits, often together with other minerals such as Pyrrhotite and Chalcopyrite. It was once used for making an ornamental, deep-blue cobalt glass called "smalt".

Howlite tumbled is a white stone with veins of black or dark grey running throughout its polished surface. This stone is valued for its marble feel and ability to take dye. First found in Canada, howlite tumbled is now mined in the USA, Brazil, and South Africa. It is often made into decorative objects and when dyed blue, it resembles turquoise.

Garnets ( /ˈɡɑːrnɪt/) are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. All species of garnets possess similar physical properties and crystal forms, but differ in chemical composition. The different species are pyrope, almandine, spessartine, grossular (varieties of which are hessonite or cinnamon-stone and tsavorite), uvarovite and andradite. The garnets make up two solid solution series: pyrope-almandine-spessartine (pyralspite) and uvarovite-grossular-andradite (ugrandite).

Angelite is a blue-gray variety of the mineral known as Anhydrite, and its unique coloration makes it a highly popular in the gemstone trade. It is rarely faceted, more often used for carved, ornamental objects and polished cabochons. The only known locality of angelite is Peru, where it was first discovered in the late 1980s.

Moonstone is a popular commercial name for any Moonstone that features a color other than white. Moonstone comes in several colors and it's prized for the "unearthly" shine particularly emphasized in cabochon cuts. Its multicolored variety, also known as Rainbow Moonstone, is made from the material mined in Sri Lanka and Southern India.

Peridot gemstone is a variety of the mineral Olivine, found in peridotite rock from the earth’s upper mantle. The ancient Egyptians referred to peridot gemstone as the "gem of the sun". Its greenish-yellow color and long history make it a popular jewelry stone today. Some of these stones are found in pallasite meteorites, estimated at around 4.5 billion years old. They are remnants of the birth of our solar system.

Fluorite is sometimes referred to as the ‘Rainbow Mineral,, as it comes in a range of colors that come from unique impurities, as it is translucent/transparent when pure. Countries with the biggest deposits are South Africa, Mexico, and China, although it is found elsewhere. Good quality fluorite is used for faceted gemstones. The variety ‘Blue John’ was used for vases.

A type of Quartz and the most common Aventurine variety, green Aventurine is prized for its emerald-green color. This color is caused by the presence of fuchsite Mica inclusions in Quartz that reflect light. A less expensive substitute for Jade, green Aventurine is regularly formed into beads, pearls, and cabochons, and used with jewelry. It is also used for carved objects, vases, bowls, and sculptures.