Properties & Information

White Aventurine

White Aventurine

White AventurineSCIENCE / MINERALOGYWhite Aventurine is a quartz-rich trade variety colored by fine mineral inclusions. Aventurine may show glittering aventurescence when aligned mica, hematite, or other inclusions reflect light.GEOLOGY &...

White Aventurine

White AventurineSCIENCE / MINERALOGYWhite Aventurine is a quartz-rich trade variety colored by fine mineral inclusions. Aventurine may show glittering aventurescence when aligned mica, hematite, or other inclusions reflect light.GEOLOGY &...

White Aragonite

White Aragonite

White AragoniteSCIENCE / MINERALOGYWhite Aragonite is a color variety of aragonite, CaCO₃, the orthorhombic polymorph of calcium carbonate. It forms acicular, radiating, botryoidal, and pseudohexagonal twinned habits.GEOLOGY & FORMATIONAragonite forms...

White Aragonite

White AragoniteSCIENCE / MINERALOGYWhite Aragonite is a color variety of aragonite, CaCO₃, the orthorhombic polymorph of calcium carbonate. It forms acicular, radiating, botryoidal, and pseudohexagonal twinned habits.GEOLOGY & FORMATIONAragonite forms...

Wavellite

Wavellite

WavelliteSCIENCE / MINERALOGYWavellite is a hydrated aluminum phosphate mineral, Al₃(PO₄)₂(OH,F)₃·5H₂O, famous for radiating green, yellow, white, brown, or blue-green spherical aggregates.GEOLOGY & FORMATIONIt forms as a secondary mineral in fractures...

Wavellite

WavelliteSCIENCE / MINERALOGYWavellite is a hydrated aluminum phosphate mineral, Al₃(PO₄)₂(OH,F)₃·5H₂O, famous for radiating green, yellow, white, brown, or blue-green spherical aggregates.GEOLOGY & FORMATIONIt forms as a secondary mineral in fractures...

Watermelon Tourmaline

Watermelon Tourmaline

Watermelon TourmalineSCIENCE / MINERALOGYWatermelon Tourmaline is a color or locality variety within the complex borosilicate tourmaline group. Tourmalines crystallize in the trigonal system and commonly form strongly striated prismatic crystals.GEOLOGY...

Watermelon Tourmaline

Watermelon TourmalineSCIENCE / MINERALOGYWatermelon Tourmaline is a color or locality variety within the complex borosilicate tourmaline group. Tourmalines crystallize in the trigonal system and commonly form strongly striated prismatic crystals.GEOLOGY...

Volcano Agate

Volcano Agate

Volcano AgateSCIENCE / MINERALOGYVolcano Agate is a trade name for agate/chalcedony formed in volcanic host rock and marketed for dramatic banding, plumes, cavities, and iron-rich colors. Mineralogically it is silica-rich...

Volcano Agate

Volcano AgateSCIENCE / MINERALOGYVolcano Agate is a trade name for agate/chalcedony formed in volcanic host rock and marketed for dramatic banding, plumes, cavities, and iron-rich colors. Mineralogically it is silica-rich...

Vivianite

Vivianite

VivianiteSCIENCE / MINERALOGYVivianite is hydrated iron phosphate, Fe₃(PO₄)₂·8H₂O. Fresh crystals may be colorless to pale green but darken through blue-green to deep blue as iron oxidizes.GEOLOGY & FORMATIONIt forms in...

Vivianite

VivianiteSCIENCE / MINERALOGYVivianite is hydrated iron phosphate, Fe₃(PO₄)₂·8H₂O. Fresh crystals may be colorless to pale green but darken through blue-green to deep blue as iron oxidizes.GEOLOGY & FORMATIONIt forms in...