Quartz Crystals - Madagascar - 10 pounds Rough Stone This makes it moderately hard

This makes it moderately hard and suitable for use in jewelry

Density: The density of lapis lazuli varies depending on its composition

Color: Quartz occurs in a wide range of colors

Rose Quartz

Luster: Vitreous (glassy) to slightly silky

Quartz Crystals - Madagascar - 10 pounds Rough Stone This makes it moderately hardLocality: Madagascar Mix sizes (approximately 0 6cm) Quartz crystals 1. Color: Quartz occurs in a wide range of colors, including clear (colorless), white, purple (amethyst), yellow (citrine), pink (rose quartz), brown (smoky quartz), and more. The color variation is due to impurities within the crystal structure. 2. Hardness: Quartz has a hardness of 7 on the Mohs scale, making it relatively durable and suitable for various applications, including