Structure. Color. Origin.

A growing collection of mineral and rock specimens chosen for their unique forms, vibrant colors, and geological origins. Each piece is individually labeled and documented to create a cohesive, display-ready catalog.

Peridot (Olivine)

A gem-quality variety of olivine formed deep within the Earth’s mantle and transported to the surface through volcanic activity. Its vivid green coloration is caused by iron within the crystal structure.

Locality -

Kohistan District, Pakistan

Geology -

Mantle-derived basaltic host rock

Size - 

• Approximately 100 total carats combined weight
• Average rough crystal size: 8–10 mm
• Largest crystal: approximately 10 × 9 × 6 mm

Serpentine

A group of green minerals formed by the alteration of ultramafic rocks from Earth’s mantle. Common in regional metamorphic settings, it is often associated with tectonic activity.

Locality -

Southeast Pennsylvania, USA

Geology -

Regional metamorphism of ultramafic mantle-derived rock

Size-

Approximately 80 × 65 × 45 mm

Vanadinite on Barite

A striking mineral specimen featuring red hexagonal vanadinite crystals formed atop bladed white barite.

Locality -

Mibladen Mining District, Morocco

Geology -

Oxidized zones of lead-rich hydrothermal deposits

Size -

Approximately 25 × 32 × 18 mm

Carnelian (Chalcedony)

A translucent orange variety of chalcedony colored by iron impurities within the silica structure. Carnelian commonly forms in volcanic environments and has been valued for ornamental and decorative use since antiquity.

Locality -

India

Geology - 

Volcanic silica deposits

Size -

approximately 20–25 mm

Cubic Pyrite on Matrix

A sharply formed cubic pyrite crystal hosted on natural matrix. Pyrite commonly forms in hydrothermal environments where iron and sulfur-rich fluids crystallize into metallic cubic structures.

Locality -

Peru

Geology -

Hydrothermal sulfide veins

Size - 

Approximately 55 × 45 × 40 mm
Pyrite cube approximately 25 mm across

Quartz Cluster

A natural cluster of quartz crystals formed from silica-rich hydrothermal fluids. Quartz is among the most abundant and widely occurring minerals on Earth, valued for its clarity, crystal habit, and geological significance.

Locality -

Madagascar

Geology -

Silica-rich hydrothermal veins

Size-

Approximately 85 × 60 × 55 mm
Primary crystal approximately 45 mm tall

Amethyst Druze

A dense druzy surface composed of small amethyst crystal terminations formed within volcanic cavities by silica-rich mineral fluids.

Locality -

Uruguay

Geology -

Volcanic geode cavities

Size-

Approximately 45 × 40 × 35 mm

Fluorite 

Fluorite is known for its distinct cubic crystal habit and wide range of colors. It commonly forms in hydrothermal environments alongside quartz, calcite, and metallic ore minerals.

Locality -

China

Geology -

Hydrothermal fluorite-bearing veins

Size-

Approximately 65 × 55 × 40 mm
Fluorite cubes approximately 15–22 mm across

Aquamarine

Natural prismatic aquamarine crystals, a blue variety of beryl, formed within pegmatite environments under slow cooling conditions.

Locality -

Afghanistan

Geology -

Pegmatite deposits of the Hindu Kush region

Size - 

Approximately 175 total carats combined weight
Crystal sizes range from approximately 10–22 mm
Largest crystal approximately 30 mm tall

Green Tourmaline (Elbaite)

A radiating cluster of green elbaite tourmaline crystals formed within granitic pegmatites. Tourmaline’s complex chemistry produces a wide variety of colors and elongated prismatic crystal habits.

Locality -

Pakistan

Geology -

Granitic pegmatite deposits

Size - 

Dimensions – Approximately 55 × 45 × 40 mm
Longest crystal approximately 35 mm

Emerald

A group of natural emerald crystals in rough form, exhibiting a vivid green color due to trace chromium and vanadium. Specimens show typical fracturing and irregular crystal development common to Swat Valley material, with moderate translucency and surface etching.

Locality -

Swat Valley, Khyber Pakhtunkhwa Province, Pakistan

Geology -

Formed under hydrothermal conditions where beryllium-rich fluids interacted with Chromium-bearing host rocks, producing emerald within a narrow vein system

Size -

 

Galena w/ Chalcopyrite

A lustrous cluster of cubic galena crystals intergrown with brassy chalcopyrite. The sharply defined cubic habit of galena contrasts with the more granular chalcopyrite, reflecting crystallization from metal-rich hydrothermal fluids.

Locality -

Krushev Dol Mine, Madan ore field, Smolyan Province, Bulgaria

Geology -

Hydrothermal Pb-Zn sulfide deposit hosted in carbonate rock

Size - 

Dimensions – Approximately 50 × 45 × 35 mm
Galena cubes approximately 10–18 mm across

Grape Agate

A botryoidal cluster of microcrystalline quartz (chalcedony) composed of tightly packed, grape-like spheres with soft lavender to pale purple coloration. The rounded forms result from radial silica growth in void spaces within volcanic rock. This material is commercially known as “grape agate”, though it is mineralogically chalcedony rather than a true agate due the absence of banding.

Locality -

Mamuju Area, West Sulawesi, Indonesia

Geology -

Secondary silica deposition within volcanic cavities forming botryoidal chalcedony aggregates

Size -

Approximately 90 × 65 × 45 mm

Oregon Sunstone

(Labradorite-Feldspar)

A group of rough Oregon sunstone crystals exhibiting typical feldspar cleavage and pale champagne to peach coloration. Oregon sunstone is a variety of labradorite feldspar, often valued for its transparency and aventurescence caused by microscopic copper inclusions. These specimens formed within basaltic lava flows and were later weathered out as loose roughs.

Locality -

Plush Area, Lake County, Oregon, USA

Geology -

Basalt-hosted feldspar crystals formed within volcanic lava flows

Size - 

Approximately 25 grams (125ct) total weight
Average crystal size approximately 12–28 mm
Largest crystal approximately 35 mm

Desert Rose Gypsum

A rosette-shaped aggregate of bladed gypsum crystals forming a “desert rose” structure. The crystals incorporate sand grains during growth, producing the specimen’s characteristic texture and tan coloration. These formations develop in arid, evaporative conditions where mineral-rich ground water precipitates gypsum within loose sediment.

Locality -

Chott el Jerid Region, Tunisia

Geology -

Arid evaporite sediments with groundwater gypsum crystallization

Size - 

Approximately 80 × 70 × 55 mm
Rosette clusters approximately 25–40 mm across

Barite

A cluster of tabular barite crystals exhibiting a warm honey-yellow coloration and characteristic tabular to plate-like crystal habit. The crystals display vitreous luster and stepped growth patterns typical of barite. Color is often influenced by trace impurities of included materials. Such specimens commonly form in hydrothermal veins and cavities associated with sulfide mineralization.

Locality -

Mibladen mining district, Morocco

Geology -

Hydrothermal barite veins associated with sulfide mineralization

Size - 

Approximately 75 × 55 × 45 mm
Major barite blades approximately 25–40 mm across

 

Fluorite Cluster

A cluster of cubic fluorite crystals exhibiting vivid green coloration with translucent edges and stepped growth patterns typical of fluorite. The crystals display sharp cubic geometry and stepped growth patterns typical of fluorite. Color zoning is common in such specimens and results from trace impurities and radiation exposure during formation. The fluorite is perched on a contrasting light-colored matrix, enhancing crystal definition.

Locality -

Xia Yang Mine, Xia Yang city, Yongchun Co., Quanzhou, Fujian, China

Geology -

Hydrothermal fluorite vein mineralization associated with quartz and sulfide minerals

Size - 

Approximately 115 × 85 × 45 mm
Major fluorite cubes approximately 25–40 mm across

Agate Geode

A naturally opened geode lined with pale blue banded chalcedony (“agate”) surrounding a central cavity of fine druzy quartz crystals. The concentric banding reflects episodic silica deposition, while the sparkling interior formed during a later phase of crystal growth. The soft blue coloration is typical of microcrystalline quartz and may vary with trace impurities and light scattering

Locality -

Atlas Mountains, Morocco

Geology -

Formed in silica-rich fluids filling gas cavities in volcanic rock, forming banded chalcedony with later quartz crystallization

Size -

Approximately 75 × 65 × 40 mm
Central druzy cavity approximately 40 mm across

Native Copper

An irregular branching copper mass exhibiting metallic red-orange coloration and natural surface oxidation textures.

Locality -

Qinghai–Xizang Plateau, China

Geology -

Hydrothermal copper mineralization

Size - 

Approximately 75 × 45 × 30 mm

Native Sulfur

A dense coating of vibrant yellow native sulfur crystals covering a natural matrix. The fine crystalline texture reflects rapid deposition from sulfur-rich volcanic gasses and fluids. The intense yellow coloration is characteristic of elemental sulfur, which forms in oxidizing environments near volcanic activity.

Locality -

Caltanissetta, Sicily, Italy

Geology -

Sulfur-rich fumarolic deposits associated with volcanic gas vents

Size - 

Approximately 130 × 110 × 55 mm

Banded Agate

A polished cross-section of banded agate displaying concentric layers of microcrystalline quartz in tones of white, gray, and warm brown. The center features a plume-like crystalline inclusion pattern formed during later silica deposition. The banding reflects episodic growth within a volcanic cavity, producing the characteristic layered structure of agate

Locality -

Rio Grande do Sul, Brazil

Geology -

Silica-rich volcanic cavities with sequential chalcedony deposition

Size -

Main slice approximately 115 × 95 mm

Malachite 

A richly colored green malachite specimen displaying fibrous to botryoidal growth with a velvety surface texture. The fibrous structures result from radial crystal growth during copper mineral alteration.

Locality -

Democratic Republic of Congo

Geology -

Secondary copper mineralization within the oxidation zone of copper deposits

Size - 

Approximately 80 × 50 × 40 mm

 

Citrine

Rough quartz crystals exhibiting warm yellow to orange coloration associated with iron staining and natural internal inclusions. The piece shows typical conchoidal fracture and internal color zoning, with milky translucent areas.

Locality -

Minas Gerais, Brazil

Geology -

Hydrothermal quartz mineralization with iron-associated coloration

Size - 

Largest specimen approximately 65 mm long
Crystal sizes range from approximately 40–65 mm

Carborundum

A synthetic silicon carbide crystal aggregate displaying metallic luster with vivid iridescent blue and multicolored surface effects. The bladed columnar structure results from high-temperature industrial crystallization processes.

Locality -

Synthetic industrial material

Formation -

High-temperature industrial crystallization of silicon carbide

Size - 

Approximately 115 × 55 × 35 mm

Cubic Fluorite Crystal

A pale green fluorite crystal exhibiting characteristic cubic form, internal translucency, and stepped cleavage surfaces typical of fluorite. The specimen reflects well-developed isometric crystal growth formed in hydrothermal environments.

Locality -

Las Cuevas Mine, San Luis Patosi, Mexico 

Geology -

Formed in Hydrothermal Veins

Size - 

Approximately 38 × 32 × 30 mm

Orange Selenite

(Satin Spar Gypsum)

This specimen is a peach-orange variety of gypsum commonly known in the mineral trade as “orange selenite.” The crystal exhibits a fibrous to columnar structure with a soft satin luster caused by tightly packed parallel crystal fibers that scatter light internally. Iron oxide impurities within the gypsum are responsible for the warm orange coloration.

Locality -

Commonly sourced from :

Morocco, Mexico, Pakistan, or Utah, USA

Geology -

A peach-orange fibrous gypsum crystal commonly sold as “orange selenite.” The specimen exhibits a satin luster caused by tightly packed parallel crystal fibers that scatter light internally. Iron oxide inclusions within the gypsum are responsible for the warm orange coloration.

Size - 

Approximately 105 × 38 × 35 mm

Fluorescent Willemite

A classic New Jersey mineral specimen that fluoresces bright green under UV light. Formed in a unique zinc ore deposit, it is internationally known among collectors.

Locality -

Franklin / Sterling Hill, New Jersey (USA)

Geology -

Metamorphosed Zinc Ore Deposit

Size - 

Approximately 52 mm