See the stone. Know its use.

Rubellite tourmaline

→ Sculptural gold cocktail ring

A long, clean rubellite crystal is step-cut to keep its natural length, then held in crystal-shaped gold claws.

Watermelon tourmaline

→ Hammered-gold slice pendant

Pink core, green rind — the stone's own zoning becomes the design.

Verdelite (green tourmaline)

→ Architectural baguette drop earrings

Slim prisms cut into long baguettes, hung from brushed-gold bars.

GG-S01 · Silicates

Rubellite (Pink Tourmaline)

Pink elbaite crystal with dark mica flakes

Used for

• ◆Fine jewellery — faceted stones and cabochons
• ◆Collector crystal specimens
• ◆Piezoelectric & pyroelectric research

GG-S02 · Silicates

Watermelon Tourmaline

Bi-colour elbaite — pink core, green rind

Used for

• ◆Polished slices for pendants
• ◆High-end collector pieces
• ◆Designer jewellery

GG-S03 · Silicates

Green Tourmaline (Verdelite)

Dark green prismatic crystals

Used for

• ◆Faceted gemstones (cut across length for brighter green)
• ◆Rough parcels for cutters
• ◆Pressure sensors (piezoelectric)

GG-S04 · Silicates

Tourmaline in Matrix

Pink & green elbaite in quartz–feldspar

Used for

• ◆Display & museum specimens
• ◆Carvings and decorative stone
• ◆Teaching samples

GG-S05 · Silicates

Faceted Green Tourmaline

Emerald-cut (step-cut) gemstone

Used for

• ◆Rings, pendants & earrings
• ◆Investment-grade loose gems

GG-S06 · Silicates

Lilac Faceted Ring Stone

Oval faceted gem in silver halo setting

Used for

• ◆Finished jewellery
• ◆Kunzite: spodumene is also lithium ore for EV batteries

GG-S08 · Tourmaline group

Tourmaline Rough Lot

Mixed parcel, sorted for buyers

Used for

• ◆Cutting rough for lapidaries
• ◆Tumbled & bead stock
• ◆Export parcels

GG-S09 · Silicates

Indicolite (Blue Tourmaline)

Blue-green elbaite prism

Used for

• ◆Premium faceted gems
• ◆Collector crystals

GG-S10 · LiAlSi₂O₆

Kunzite (Spodumene)

Lilac gem-grade crystal blade

Used for

• ◆Faceted gems
• ◆Spodumene is a main lithium ore for EV batteries

GG-S11 · Silicates

Lepidolite

Massive lilac lithium mica

Used for

• ◆Lithium for EV batteries
• ◆Rubidium & caesium source
• ◆Carvings & decorative stone

GG-S12 · Be₃Al₂Si₆O₁₈

Aquamarine

Sky-blue beryl rough parcel

Used for

• ◆Faceted gems & fine jewellery
• ◆Beryllium source (industrial grade)

GG-S13 · Pending lab confirmation

Peach & Honey Prisms

Small prismatic gem rough, warm colours

Used for

• ◆Calibrated small gems
• ◆Cutting parcels

GG-S14 · Pending lab confirmation

Purple & Magenta Gem Rough

Facet-grade rough and water-worn pebbles

Used for

• ◆Faceted gems
• ◆Collector rough

GG-S15 · Mixed species

Alluvial Gem Gravel

Mixed river-worn gem pebbles

Used for

• ◆Sorting & cutting parcels
• ◆Exploration indicator samples

GG-S16 · SiO₂ + Fe₂O₃

Hematoid Quartz

Quartz with red iron-oxide inclusions

Used for

• ◆Collector & display specimens
• ◆Cabochons and carvings

GG-S17 · Pending lab confirmation

Faceted Fancy Gems

Cognac cushion & pink pear cuts

Used for

• ◆Rings, pendants & earrings
• ◆Investment-grade loose gems

GG-N01 · Au

Gold

Alluvial gold nugget, from the field

Used for

• ◆Bullion & central-bank reserves
• ◆Jewellery
• ◆Electronics contacts & connectors
• ◆Dentistry & aerospace coatings

GG-O01 · SnO₂

Cassiterite

Tin ore

Used for

• ◆Tin solder for circuit boards
• ◆Tin plating for food cans
• ◆Bronze & pewter alloys

GG-O02 · (Fe,Mn)(Nb,Ta)₂O₆

Columbite–Tantalite

Coltan

Used for

• ◆Tantalum capacitors in phones & laptops
• ◆Jet-engine superalloys (niobium)
• ◆Medical implants

GG-N02 · Ag

Silver

Native silver wire

Used for

• ◆Electronics & solar-panel contacts
• ◆Jewellery & silverware
• ◆Medical antimicrobials

GG-N03 · Cu

Copper

Native copper dendrite

Used for

• ◆Electrical wiring & power cables
• ◆EV motors
• ◆Plumbing & construction

GG-N04 · C

Diamond

Rough octahedral crystal in kimberlite

Used for

• ◆Fine jewellery
• ◆Industrial cutting & drilling tools
• ◆Heat spreaders in electronics

GG-O03 · Fe₂O₃

Hematite

Specular iron ore

Used for

• ◆Iron & steel making
• ◆Pigments (red ochre)
• ◆Radiation-shielding concrete

GG-O04 · Fe₃O₄

Magnetite

Octahedral iron oxide

Used for

• ◆Iron & steel making
• ◆Coal washing (dense media)
• ◆Water filtration

GG-O05 · TiO₂

Rutile

Titanium dioxide prisms

Used for

• ◆Titanium metal for aerospace
• ◆White pigment (paint, paper)
• ◆Welding-rod coatings

GG-SU1 · PbS

Galena

Lead ore

Used for

• ◆Lead–acid batteries
• ◆Radiation shielding
• ◆Silver by-product recovery

GG-C01 · CaCO₃

Calcite / Limestone

Industrial carbonate

Used for

• ◆Cement & lime
• ◆Agricultural lime
• ◆Fillers in paint, paper & plastics