Description
Authentic Chrome Diopside Mineral from Brazil
This exquisite Chrome Diopside Mineral Specimen originates from Brazil, one of the most significant mineral-rich regions in the world. Known for its vibrant emerald-green hue, Chrome Diopside is a striking and scientifically fascinating gemstone variety of the mineral diopside. Each specimen is 100% genuine and naturally formed, carefully selected for its colour saturation, crystalline texture, and natural lustre.
The photo shows the actual specimen you will receive, and a 1 cm scale cube is included for size reference. Every piece is accompanied by a Certificate of Authenticity, verifying its geological origin and ensuring that it is an authentic and ethically sourced mineral specimen.
Geological Background and Formation
Chrome Diopside is a chromium-rich variety of Diopside, a member of the Pyroxene Group, belonging to the Inosilicate class of minerals. It forms deep within the Earth’s crust and upper mantle under high-pressure, medium-temperature metamorphic or magmatic conditions. The green coloration is caused by trace amounts of chromium (Cr³⁺), the same element responsible for the colour in emeralds.
In Brazil, Chrome Diopside occurs within metamorphosed ultramafic rocks, peridotites, and chromite-bearing skarns, typically associated with deep geological environments where molten silicate materials have interacted with chromium-rich fluids. These conditions allow diopside crystals to crystallise with exceptional colour purity and clarity.
The Brazilian deposits yield some of the finest-quality specimens globally, displaying intense, vivid green tones ranging from forest to bottle green. The geological setting provides a remarkable example of contact metamorphism, where mineral-rich intrusions react with surrounding rocks to form new crystalline assemblages.
Mineralogical and Physical Characteristics
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Chemical Formula: CaMgSi₂O₆ with Cr³⁺ substitution
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Mineral Class: Inosilicate (Chain Silicate)
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Crystal System: Monoclinic
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Hardness: 5.5–6.5 on the Mohs scale
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Lustre: Vitreous
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Transparency: Transparent to translucent
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Cleavage: Perfect in two directions (87° and 93°)
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Fracture: Uneven to conchoidal
This specimen displays the characteristic deep green colour that Chrome Diopside is renowned for, with a subtle vitreous sheen and fine crystalline structure visible under natural light. When cut and polished, this mineral exhibits remarkable brilliance and internal fire, similar to that of fine emeralds. Even in raw form, the stone’s rich tone and natural geometry make it a visually compelling display specimen for collectors and enthusiasts alike.
Scientific and Gemological Significance
Diopside minerals are an essential component of Earth’s mantle-derived rocks and play a critical role in understanding the geochemistry of ultramafic systems. The chromium-enriched variety offers insight into elemental substitution within silicate minerals and the conditions required for chromium stabilisation in crystalline form.
Because of its high chromium content and deep origin, Chrome Diopside often occurs in association with garnet, olivine, and spinel, providing valuable context for petrological and mineralogical research. The green diopside crystals found in Brazilian formations share similar geological environments with deposits in Russia, Pakistan, and Madagascar, though Brazilian specimens are distinguished by their uniformity of colour and clarity.
From a gemological perspective, Chrome Diopside is highly valued as a natural, untreated green gemstone, admired for its brilliance, optical transparency, and intense hue. Its refractive index and pleochroism (displaying varying green tones when viewed from different angles) make it a stone of beauty and scientific curiosity alike.
Metaphysical and Aesthetic Properties
In metaphysical traditions, Chrome Diopside is often referred to as the Stone of Compassion and Insight. It is believed to connect deeply with the Heart Chakra, opening emotional pathways and fostering a sense of empathy, renewal, and balance. The stone’s green energy is said to symbolise growth, healing, and connection to nature, aligning its vibrational frequency with love and harmony.
Chrome Diopside is also thought to:
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Enhance intellectual clarity and creativity.
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Support emotional healing and openness.
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Strengthen connection with the natural world and personal intuition.
The pyramid-cut shape, when used in lapidary or metaphysical practices, focuses and amplifies these natural energies, while raw crystals retain their organic grounding essence.
Collector and Display Appeal
This Chrome Diopside Mineral Specimen from Brazil is a superb representation of nature’s artistry and geological complexity. Its rich green tone, mineralogical rarity, and gem-quality composition make it a prized addition to any mineral collection. Whether displayed for its scientific value, admired for its natural beauty, or used for spiritual purposes, this specimen exemplifies the elegance and diversity of Earth’s mineral kingdom.
All of our Fossils and Minerals are 100% Genuine Specimens and come with a Certificate of Authenticity.
Scale cube = 1 cm – for full sizing, please refer to the photos.
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