Teal Kyanite 2x4mm Faceted Rondelle Nacklace - 15-16 Inch 48HR12062022 There are 2 specimens pictured

There are 2 specimens pictured to show that there are variations in the size and color

and in standard porcelain

When the abalone shell is struck

Agate is one of many varieties of banded Chalcedony

Queen Victoria’s granddaughter

Teal Kyanite 2x4mm Faceted Rondelle Nacklace - 15-16 Inch 48HR12062022 There are 2 specimens picturedKyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appear in white, pink, yellow, orange, green, blue, gray and black. In addition to its value as a gemstone, Kyanite is also extremely useful in industrial applications due to its high heat resistance. It is often used in kiln furniture and foundry molds, as well as for brake shoes, grinding wheels and cutting