Fine Minerals International

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Fine Minerals International Fine Minerals International The duo owns mines and sources minerals from destinations around the globe including Brazil, China, Pakistan, Tanzania and Colombia.

After 20 years of sourcing and selling beautiful, top quality minerals, Fine Minerals International owners Daniel Trinchillo and Marisa Chung have become highly regarded as the most experienced pair in the international mineral market. With reputations built on passion and personal relationships with top collectors, they maintain the highest standards for quality and honesty. Access to this one-of-a-kind collection has previously only been available to elite private collectors. Daniel and Marisa now bring their international expertise to New York where buyers will have the opportunity to educate themselves on the background, aesthetic appeal, and value of minerals. Amethyst, Quartz, Tourmaline and Aquamarine are just some of the many minerals on display for those interested in using minerals as artistic expression. We are excited to share the awe and beauty of nature’s art.

ID #: 23897, FluoriteYaogangxian Mine, Yizhang County, Chenzhou Prefecture, Hunan Province, ChinaFine fluorite is prized...
10/02/2026

ID #: 23897, Fluorite
Yaogangxian Mine, Yizhang County, Chenzhou Prefecture, Hunan Province, China

Fine fluorite is prized for its propensity for color, vitreous transparency, and remarkably well-developed crystal forms, which often exhibit exceptional geometric definition.

This beautiful example consists of an ice-like cube of fluorite perched upon a contrasting matrix. With its exceptional transparency, the nearly colorless cube acts almost like a window, allowing the contrasting matrix below to remain fully visible. Delicate wisps of violet are suspended within the crystal, hinting at its gradual growth over countless years. They also lend a distinctive character to the crystal, adding a subtle hint of flair. Perched atop its gray matrix, the specimen has an attractive sense of balance and presence.

H: 6.6 cm W: 5.3 cm D: 4.5 cm Wt: 105 g

Another Hardrock Summit in the books!We’re grateful to have spent another year in Denver surrounded by extraordinary min...
09/28/2026

Another Hardrock Summit in the books!

We’re grateful to have spent another year in Denver surrounded by extraordinary minerals and, even more importantly, the friends, collectors, colleagues, and familiar faces who make this community what it is.

A special thank you to the outstanding team behind the Hardrock Summit for bringing everyone together and putting on such a wonderful event year after year.

And thank you to everyone who stopped by our booth, whether to add something new to a collection, catch up, or simply spend some time enjoying the minerals with us.

For those that couldn't attend, here is just a taste of some of the exceptional specimens we had the pleasure of sharing at our booth this year.

Until next time, Denver! Next up, !

https://www.instagram.com/p/Dc4WXDBB0cc/ID #: 15470, Quartz & Graphite InclusionsJinkouhe District, Leshan Prefecture, S...
09/04/2026

https://www.instagram.com/p/Dc4WXDBB0cc/

ID #: 15470, Quartz & Graphite Inclusions
Jinkouhe District, Leshan Prefecture, Sichuan Province, China

“Phantoms” are internal growth patterns within a naturally formed crystal that remain visible through its exterior, providing a visual record of the crystal’s formation while giving the specimen remarkable depth and complexity. Their distinctive patterns and geological significance make fine phantom specimens prized additions to mineral collections.

This is a striking, large, spear-like quartz containing distinct graphite phantoms, complemented by a secondary, or “sidecar,” quartz that mirrors the form of the main crystal. Lightly polished on all sides to better reveal its graphite zones, the piece has exceptional transparency that beautifully showcases its unusual inclusions. Its impressive scale, dramatic form, and clarity give it a strong presence, making it equally compelling as a collector specimen or a statement piece in a room.

H: 31 cm W: 9.5 cm D: 8.5 cm Wt: 1.843 kg

ID #: 24096, Fluorite & PyriteAtacocha Mine, Cerro de Pasco, Pasco Province, Pasco, PeruHere is an unexpected mineral as...
08/21/2026

ID #: 24096, Fluorite & Pyrite
Atacocha Mine, Cerro de Pasco, Pasco Province, Pasco, Peru

Here is an unexpected mineral association whose balance of color, form, and texture evokes a modern work of design. It features a prominent, vitreous emerald-green fluorite that has crystallized naturally atop brilliant metallic pyrite, pairing two minerals with entirely different optical qualities in a striking juxtaposition. Naturally oriented with its apexes directed upward and downward, the fluorite appears almost deliberately placed and its translucence and vivid green hue contrast beautifully with the highly reflective golden pyrite. The countless faces of the pyritohedrons catch light from every direction. Specimens such as this showcase not only exceptional crystallization, but also a remarkable and unexpected aesthetic harmony.

H: 4 cm W: 3.3 cm D: 2.4 cm Wt: 46 g

ID #: 16345, Gold China Across cultures, gold has symbolized wealth, power, and permanence, making naturally crystallize...
08/21/2026

ID #: 16345, Gold
China

Across cultures, gold has symbolized wealth, power, and permanence, making naturally crystallized specimens especially compelling as expressions of the metal in its purest form.

This example from China features a dense cluster of robust, skeletal (a.k.a. hoppered) gold crystals, many with recessed interiors and sharply defined, stepped edges. The crystals form a layered composition and convey a sense of richness that is reinforced by their intensely saturated yellow color, indicative of high purity. They are set against a contrasting white quartz matrix that serves as a natural pedestal. Lustrous, geometric, and substantial for its size, this is a strong example that captures both the orderly structure and enduring appeal of gold.

H: 8.2 cm W: 4 cm D: 2.9 cm Wt: 184 g

ID #: 01572, Ilvaite & QuartzHuanggang Mine, Inner Mongolia Autonomous Region, China Ilvaite is an iron calcium silicate...
08/13/2026

ID #: 01572, Ilvaite & Quartz
Huanggang Mine, Inner Mongolia Autonomous Region, China

Ilvaite is an iron calcium silicate mineral, typically found in contact metamorphic environments. This specimen from the Huanggang Mine features a prominent ilvaite crystal with a thick, columnar form and a striated surface that catches light across its reflective faces. With its deep, “India ink” black color and imposing form, the crystal has a commanding, monolithic presence.

Surrounding the central crystal is a dense cluster of quartz crystals; their slender, elongated forms create a striking visual contrast against the darker ilvaite. The composition is well balanced, with the quartz framing and supporting the central crystal without overwhelming it. It is a strong example that highlights both the bold structure of ilvaite and the dynamic contrast of its mineral association.

H: 11 cm W: 11.2 cm D: 12 cm Wt: 963 g

ID #: 18915, CalciteBoldut Mine, Cavnic, RomaniaThis specimen is from Cavnic, Romania, a locality long celebrated for it...
07/21/2026

ID #: 18915, Calcite
Boldut Mine, Cavnic, Romania

This specimen is from Cavnic, Romania, a locality long celebrated for its diverse and distinctive calcite habits. Rounded, spherical aggregates of milky white calcite are scattered across a richly textured matrix, each sphere set in contrast against the warm tan tones beneath. The effect is immediate and engaging, with the smooth forms resting atop the matrix like turtles’ eggs.

The composition feels both playful and balanced; the distribution of spheres allows for crystal isolation. Even the smaller calcite crystals are evenly scattered across the matrix, adding to the polkadot-like patterning. In all, it is a highly characteristic example from Boldut, capturing the locality’s reputation for producing calcite in forms that blur the line between mineral specimen and natural sculpture.

H: 16.6 cm W: 13 cm D: 5.5 cm Wt: 1.315 kg

🦖 Geek Week is back, and somehow even bigger than last year!Sotheby's has raised the bar with "Gus," one of the largest ...
07/07/2026

🦖 Geek Week is back, and somehow even bigger than last year!

Sotheby's has raised the bar with "Gus," one of the largest and most complete Tyrannosaurus rex skeletons ever discovered.

Gus is featured alongside spectacular minerals and fossils, fun artifacts from the estate of Buzz Aldrin, otherworldly sci-fi art pieces, historic space exploration memorabilia, and a plethora of other scientific treasures.

If this year's sales are anything like last year's record-breaking results, it's going to be an exciting auction!

For natural history lovers around the world, Geek Week is quickly becoming one of the year's most anticipated events.

As long-time “geeks,” it’s fantastic to see an iconic institution like Sotheby's continue to embrace natural history collectibles. As scientific artifacts gain recognition alongside fine art and other blue-chip collectibles, each auction highlights their growing desirability while offering a fascinating snapshot of some of the finest material available on the market.

Whether you're bidding or simply admiring the exhibition, it's reason to get excited!

The exhibition is currently on preview to the public through auction day, Tuesday, July 14 at 10:00 AM EDT.

📍 945 Madison Avenue
New York, NY 10021

There's truly something here for every kind of geek🔬🦖🚀💎

ID #: 22883, BariteJebel Ouichane, Ségangane, Nador, Nador Province, Oriental Region, MoroccoMorocco is celebrated for p...
05/26/2026

ID #: 22883, Barite
Jebel Ouichane, Ségangane, Nador, Nador Province, Oriental Region, Morocco

Morocco is celebrated for producing barite specimens with sharp crystal definition and luminous transparency. Material from a limited find from Jebel Ouichane, in particular, is highly regarded for its delicate blue coloration and sculptural crystal groupings, qualities that distinguish it from the thicker, more opaque crystals commonly seen from many other barite localities worldwide. The finest examples possess an airy, almost frozen appearance, with crystals that seem to radiate outward in dynamic formations, like flowers made of ice.

This specimen is an especially attractive example from Jebel Ouichane. A dazzling cluster, dense with blade-like barite crystals, has formed in a dramatic, rounded, roselike arrangement on a contrasting matrix. The crystals display a delicate light-blue color paired with glasslike translucency and reflective luster. The composition is highly dimensional, with intersecting blades that feel both dynamic yet remarkably delicate. Its combination of color, clarity, and sculptural form makes it a compelling representative of the remarkable barites for which Morocco has become so admired.

H: 12 cm W: 9 cm D: 7 cm Wt: 460 g

05/22/2026

📽Throwback to this great effort by our friends in the mineral community, led by one of the biggest hearts of the mineral world,

💡During a time when the world felt especially isolated and uncertain, Bryan created Mineral Talks LIVE, a collaborative initiative between BlueCap Productions, the Mineralogical & Geological Museum at Harvard University, and the Society of Mineral Museum Professionals (SMMP), to reconnect collectors, curators, dealers, and enthusiasts across the globe through a shared passion for minerals.

✨️This teaser highlights just a handful of the spectacular specimens Daniel shared from his personal collection during his segment (Episode 16). A rare glimpse not only into “The Vault,” but at some of the pieces he treasured most over the years.

🍿Visit BlueCap Productions’ YouTube channel to watch the full presentation: over an hour of extraordinary mineral beauty, stories, and insight.

"Mineral Talks LIVE- Episode 16- Daniel Trinchillo; Founder, Fine Minerals International
https://www.youtube.com/watch?v=RrNk39pZxpY

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