Rare Titanite Sphene Crystal Mineral Specimen – Brazil – Genuine Natural Green Gem – With Certificate

Description

RARE Titanite / Sphene Crystal – Brazil

This listing features a striking and 100% genuine Titanite (also known as Sphene) crystal specimen from Brazil. Known for its exceptional brilliance and dispersion (fire), Titanite is a rare calcium titanium nesosilicate and highly sought after by collectors and gemologists.

• All of our Crystals are 100% Genuine Specimens and come with a Certificate of Authenticity.
• Scale cube = 1cm – please refer to the photo for full sizing.
• You will receive the exact specimen pictured, carefully selected for quality and uniqueness.

Crystal Information:

• Mineral Name: Titanite (commonly referred to as Sphene)
• Chemical Formula: CaTiSiO₅
• Crystal System: Monoclinic
• Hardness: 5–5.5 (Mohs scale)
• Lustre: Adamantine to resinous
• Colour: Typically green, but may vary from yellow to brown or reddish depending on impurities
• Transparency: Transparent to translucent
• Refractive Index: Very high (1.84–2.11) – among the most brilliant of all gems
• Birefringence: High – often results in a fiery dispersion that rivals diamond

Geological Context:

• Origin: Brazil – known for its pegmatite and metamorphic deposits rich in accessory minerals
• Depositional Environment: Forms in metamorphic rocks (especially calcium-rich skarns) and igneous pegmatites
• Associated Minerals: Commonly found with feldspar, quartz, apatite, and zircon
• Geological Age: Often sourced from rocks of Precambrian to Mesozoic age depending on the host formation
• Morphology Features:
• Wedge-shaped (sphenoid) crystals
• Distinct crystal faces with twinning and occasional curvature
• Notable Features:
• Gem-quality Titanite is prized for its fire and brilliance
• Rare and collectible due to its fragility and limited occurrence in large, gemmy crystals

Scientific Classification:

• Order: Nesosilicates (Orthosilicates)
• Family: Titanite Group
• Formally Described By: German mineralogist Martin Heinrich Klaproth in 1795 (name “Titanite” from titanium content)

Metaphysical Significance:

• Associated with clarity, intellectual awakening, and connecting the heart and mind

Perfect For:

• Mineral collectors
• Educational and display purposes
• Unique gemstone gift seekers