and architecture
Hole Diameter: 0
Madre de Cacao is a very hard tropical wood with a visible grain
Garnet was used as far back as the Bronze Age
It is the most abundant lithium-bearing mineral as well as a significant source of the rare alkali metals rubidium and caesium
Kyanite Multi 10mm Round - 15-16 Inch Stone Type_Druzy Agate and architectureKyanite 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