Rainbow Pyrite on Mangano Calcite – Peru – 27 grams

This exceptional collector specimen from Peru features a stunning association of iridescent Rainbow Pyrite elegantly perched atop gemmy Mangano Calcite crystals. Though compact in size, the specimen displays remarkable aesthetics with brilliant metallic luster, sharp crystal definition, and an impressive fluorescent response that transforms it under ultraviolet light.

Brilliant golden pyrite crystals exhibit vivid flashes of green, bronze, violet, and rainbow iridescence as the light moves across their mirror-like faces. The metallic crystals beautifully contrast against two well-formed translucent Mangano Calcite crystals that display excellent clarity and a soft natural glow.

Under 365nm UV light, the Mangano Calcite ignites with a spectacular, intense neon pink-orange fluorescence, creating a dramatic visual effect while the pyrite maintains its brilliant metallic shimmer. The combination of brilliant daylight aesthetics and outstanding UV performance makes this a highly desirable specimen for collectors who appreciate minerals that reveal a completely different personality under ultraviolet illumination.

The balance of crystallization, contrasting textures, and exceptional fluorescence makes this an eye-catching cabinet specimen that punches well above its size.

Specifications

Mineral: Rainbow Pyrite on Mangano Calcite

Locality: Peru

Weight: 27 grams

Dimensions: Approximately 1.5 × 0.75 × 2 inches

UV Reaction: Exceptional bright pink-orange fluorescence under 365nm UV

Display: Natural collector specimen

About

Peru produces some of the world's most sought-after pyrite specimens, renowned for their brilliant metallic luster and exceptional crystal quality. When paired with Mangano Calcite, these specimens become especially desirable because of the dramatic contrast between reflective metallic pyrite and softly translucent calcite crystals.

The pyrite's rainbow colors result from an ultra-thin natural oxidation layer that refracts light, producing vibrant iridescent flashes without diminishing the crystal's metallic brilliance.

Mangano Calcite is prized among collectors for its manganese-rich chemistry, which creates one of the strongest fluorescent reactions found in calcite. Under longwave ultraviolet light, the crystals glow with an intense neon pink-orange color, making UV-active specimens like this particularly collectible.

Collector Notes

• Brilliant iridescent Rainbow Pyrite crystals
• Well-formed translucent Mangano Calcite crystals
• Exceptional neon pink-orange fluorescence under 365nm UV
• Excellent contrast between metallic and transparent crystal growth
• Highly aesthetic miniature cabinet specimen
• Classic Peruvian mineral association
• Displays beautifully in both daylight and ultraviolet light
• Exact specimen pictured

Professionally packaged and shipped from Colorado.

You will receive the exact specimen shown.

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