Indicolite Tormalines from the Pederneira Mine

Indicolite Tormalines from the Pederneira Mine Indicolite tourmaline is a rare, blue-colored variety of tourmaline known for its vibrant blue hues and strong pleochroism. It’s a durable gemstone with a hardness of 7-7.5 on the Mohs scale. Indicolite’s beauty is enhanced by its transparency and glassy luster, making it a popular choice for jewelry. Key Properties: Color: Shades of blue, ranging from light pastel blues to deep indigo tones. Hardness: 7-7.5 on the Mohs scale, making it relatively durable. Transparency: Transparent to opaque, allowing light to pass through to varying degrees. Luster: Vitreous (glassy) luster gives it a shiny appearance. Crystal Structure: Trigonal, with a characteristic crystal shape. Pleochroism: Exhibits strong pleochroism, meaning it can show different colors when viewed from different angles. Refractive Index: 1.62-1.64. Density: 2.90-3.10. Cleavage: Poor and indistinct. Fracture: Conchoidal (curved, shell-like). Streak: White. Fluorescence: May exhibit weak fluorescence (bluish-green under UV light). Additional Properties & Considerations: Rarity: Indicolite is a relatively rare and valuable variety of tourmaline. Clarity: While generally transparent, indicolite can contain minor inclusions that may be visible to the naked eye. Cut: Often faceted to maximize its color and brilliance, with step cuts and emerald cuts being common. Healing Properties: Some believe it has metaphysical properties, such as promoting inner peace, communication, and spiritual awakening.