Other: Forms six-sided crystals. Occurs in a variety of colors from clear to yellow, brown and violet. Also exists in microcrystalline (cryptocrystalline) form as flint, agate, and chalcedony. Combines with water to form opal.
All forms of quartz are harder than glass.
Photographed by Michael P. Klimetz
Quartz
Huaron
PERU
Nova Scotia
CANADA
Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Citrine
[Conchoidially Fratured and Transparent Mass]
Aracuai
Minas Gerais
BRAZIL
Photographed by Michael P. Klimetz
Citrine
[Conchoidially Fratured and Transparent Mass]
Aracuai
Minas Gerais
BRAZIL
Photographed by Michael P. Klimetz
Citrine
[Conchoidially Fratured and Transparent Mass]
Aracuai
Minas Gerais
BRAZIL
Photographed by Michael P. Klimetz
Citrine
[Conchoidially Fratured and Transparent Mass]
Aracuai
Minas Gerais
BRAZIL
Photographed by Michael P. Klimetz
Citrine
[Conchoidially Fratured and Transparent Mass]
Aracuai
Minas Gerais
BRAZIL
Photographed by Michael P. Klimetz
Chalcedony
[Conchoidial Translucent Plate]
Ngabu
Chiwawy-Nsanje District
MALAWI
Photographed by Michael P. Klimetz
Chalcedony
[Conchoidial Translucent Plate]
Ngabu
Chiwawy-Nsanje District
MALAWI
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
Milky Quartz
[Crystal Aggregate in Crevice]
Manhan Mines
Easthampton
Hampshire County
MASSACHUSETTS
Photographed by Michael P. Klimetz
High [Beta] Quartz
[Crystal Pseudomorphs]
Bellerberg
Ettringen
Eifel
GERMANY
Photographed by Michael P. Klimetz
High [Beta] Quartz
[Crystal Pseudomorphs]
Bellerberg
Ettringen
Eifel
GERMANY
Photographed by Michael P. Klimetz
High [Beta] Quartz
[Crystal Pseudomorphs]
Bellerberg
Ettringen
Eifel
GERMANY
Photographed by Michael P. Klimetz
High [Beta] Quartz
[Crystal Pseudomorphs]
Bellerberg
Ettringen
Eifel
GERMANY
Photographed by Michael P. Klimetz
Amethyst
[Compound Crystal]
Irai
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Amethyst
[Compound Crystal]
Irai
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Amethyst
[Compound Crystal]
Irai
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Amethyst
[Compound Crystal]
Irai
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Amethyst
[Partially Iron Oxide-Coated Crystal Cluster]
Thunder Bay District
Ontario
CANADA
Photographed by Michael P. Klimetz
Amethyst
[Partially Iron Oxide-Coated Crystal Cluster]
Thunder Bay District
Ontario
CANADA
Photographed by Michael P. Klimetz
Amethyst
[Partially Iron Oxide-Coated Crystal Cluster]
Thunder Bay District
Ontario
CANADA
Photographed by Michael P. Klimetz
Amethyst
[Partially Iron Oxide-Coated Crystal Cluster]
Thunder Bay District
Ontario
CANADA
Photographed by Michael P. Klimetz
Amethyst
[Partially Iron Oxide-Coated Crystal Cluster]
Thunder Bay District
Ontario
CANADA
Photographed by Michael P. Klimetz
Milky Quartz
[Crystals on Massive]
Thunder Bay District
Ontario
CANADA
Photographed by Michael P. Klimetz
Agate
[Polished Slice]
Salto do Jacui
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Agate
[Polished Slice]
Salto do Jacui
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Agate
[Polished Slice]
Salto do Jacui
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Agate
[Polished Slice]
Salto do Jacui
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Milky Quartz
[Massive with Blue Indicolite Fragments]
Santa Rosa Mine
Itambacuri
Rio Grande do Sul
BRAZIL
Photographed by Michael P. Klimetz
Plum Agate
[Cut Chalcedony Nodule]
Graveyard Point
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Plum Agate
[Cut Chalcedony Nodule]
Graveyard Point
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Plum Agate
[Cut Chalcedony Nodule]
Graveyard Point
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Plum Agate
[Cut Chalcedony Nodule]
Graveyard Point
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Plum Agate
[Cut Chalcedony Nodule]
Graveyard Point
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Plum Agate
[Cut Chalcedony Nodule]
Graveyard Point
Owyhee County
IDAHO
Photographed by Michael P. Klimetz
Smoky Quartz
[Intergrown Crystalline Mass with Schorl and Feldspar]