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CrystalRockology was created from a passion for the beauty, science, history, and wonder of crystals and minerals. We proudly serve mineral collectors, crystal enthusiasts, and those seeking intentional self-care through carefully selected specimens, educational resources, and Crystal Calm Kits designed to bring inspiration, grounding, and calm into everyday life.

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This is a less common, beautiful example of scalenohedral, large dog tooth Calcite crystals, often referred to as Mariposa or Butterfly Calcite, presenting with phantoms, inclusions and two phases of growth.
The luster emanating from the surface of these scalenohedral Mariposa Calcite crystals is beautiful, giving some of the crystals in this specimen a shiny appearance.
The gorgeous orangish-brown to honey-caramel color presenting in these beautiful Calcite crystals is from the influence and inclusion of Hematite and or iron oxide.
This excellent Mariposa Calcite specimen comes from a recently discovered pocket of the material found about 850 meters below the surface of the mine.
The last pocket of Mariposa Calcite from the Santa Eulalia District in Mexico was found in 2014 to 2015. Before that this form of Calcite was found about 30 years ago.
Examples of Mariposa Calcite like this one are less common due to the sporadic discovery and availability of the crystals.
The source or location for this beautiful example of scalenohedral, large dog tooth Calcite crystals, often referred to as Mariposa or Butterfly Calcite, is the Buena Tierra Mine, Francisco Portillo, Santa Eulalia District, Mexico.
Very UV reactive, these Calcite crystals glow a profound cool, ghostly cream or white color when exposed to longwave UV light. Applied shortwave UV light may cause fluorescence that is reddish in color due to the presence of manganese in the basal / lower or first phase, rhombohedral, calcite growth.
This is a less common, beautiful example of scalenohedral, large dog tooth Calcite crystals, often referred to as Mariposa or Butterfly Calcite, presenting with phantoms, inclusions and two phases of growth.
The luster emanating from the surface of these scalenohedral Mariposa Calcite crystals is beautiful, giving some of the crystals in this specimen a shiny appearance.
The gorgeous orangish-brown to honey-caramel color presenting in these beautiful Calcite crystals is from the influence and inclusion of Hematite and or iron oxide.
This excellent Mariposa Calcite specimen comes from a recently discovered pocket of the material found about 850 meters below the surface of the mine.
The last pocket of Mariposa Calcite from the Santa Eulalia District in Mexico was found in 2014 to 2015. Before that this form of Calcite was found about 30 years ago.
Examples of Mariposa Calcite like this one are less common due to the sporadic discovery and availability of the crystals.
The source or location for this beautiful example of scalenohedral, large dog tooth Calcite crystals, often referred to as Mariposa or Butterfly Calcite, is the Buena Tierra Mine, Francisco Portillo, Santa Eulalia District, Mexico.
Very UV reactive, these Calcite crystals glow a profound cool, ghostly cream or white color when exposed to longwave UV light. Applied shortwave UV light may cause fluorescence that is reddish in color due to the presence of manganese in the basal / lower or first phase, rhombohedral, calcite growth.

Mariposa Honey Color Calcite with Phantom Mexico 316g

$198.55

This is a less common, beautiful example of scalenohedral, large dog tooth Calcite crystals, often referred to as "Mariposa" or Butterfly Calcite, presenting with phantoms, inclusions and two phases of growth. 3.54" x 3.01" x 3.37" or 89.9mm x 76.5mm x 85.7mm. The gorgeous orangish-brown to honey-caramel color is from the influence and inclusion of Hematite and or iron oxide. The luster emanating from the surface of the crystals is beautiful, giving some of the crystals in this specimen a shiny appearance. Very UV reactive, the crystals glow a profound cool, ghostly cream or white color when exposed to longwave UV light. Applied shortwave UV light may cause fluorescence that is reddish in color due to the presence of manganese in the basal / lower or first phase, rhombohedral, calcite growth. Moderate scuffing and cleaving along the edges and terminations of the crystals is considered the norm for this find of Calcite.  316 grams.

*****Important to note is that this specimen comes from a recently discovered pocket of the material found about 850 meters below the surface. The last pocket was found in 2014 to 2015. Before that this form of Calcite was found about 30 years ago.  It goes without saying that examples of this material are less common due to the sporadic discovery and availability of the crystals. 

Source / location: Buena Tierra Mine, Francisco Portillo, West Camp, Santa Eulalia District, Chihuahua, Mexico

 

Pairs well with

Materials

Recycled sterling silver and gold vermeil — Sourced with traceability in mind, finished by hand in our studio. Conflict-free stones where applicable. Each piece is inspected and finished by hand. Built to last.
Customer feedback

Personal Satisfaction: "I'm really pleased with this piece. It feels special every time I wear it—the craftsmanship shows, and it's become something I reach for whenever I want to feel put together. It's exceeded my expectations."

Likelihood of Repurchasing: "I'd definitely buy from this brand again. I trust the quality and the story behind the pieces. I've already gifted two to people I care about."

Why It Matters: "This isn't just jewelry—it's something I can pass down. Knowing where it came from and how it was made makes it mean more. That's the kind of brand I want to support."

Crafted with intention. Made to be worn, gifted, and passed down.

All the products on this store are for demonstration and were kindly provided by the stunning YCL Jewels. Take a look at their store!

The Story

Every piece we make starts with a question: who will wear this, and what moment will it mark? This design was inspired by the idea of carrying something meaningful close—a name, a date, or a memory. We work with artisans who share our belief that jewelry should tell a story and last generations.
Materials & Craft

Recycled sterling silver and gold vermeil — Sourced with traceability in mind, finished by hand in our studio.

Conflict-free stones — Every stone is chosen for quality and origin. We work with suppliers who share our standards.

Hand finishing — Each piece is inspected and finished by hand. No two are exactly alike; that's the point.

Built to last — We design for wear and for time. These pieces are made to be worn daily and passed down.
This is a less common, beautiful example of scalenohedral, large dog tooth Calcite crystals, often referred to as Mariposa or Butterfly Calcite, presenting with phantoms, inclusions and two phases of growth.

Product details

Hand-finished in our studio. Recycled metals and conflict-free stones where applicable.
Made to be worn every day and passed down.

Care & wearing

Remove before swimming, showering, or heavy activity to protect the finish.
Store in a soft pouch when not worn. Clean with a soft cloth as needed.

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