Greg Andrew's Gallery

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Chalcedony (Var: Agate) : SiO2
	Agate Creek, Queensland, Australia Agate nodule in matrix - nodule is 65mm X 30mm.
© Greg Andrew	Photo ID: 171341    View Count: 26
Quartz (Var: Amethyst) : SiO2
	Wave Hill, Victoria-Birrindudu Basin, Northern Territory, Australia Specimen 85mm X 65mm.
© Greg Andrew	Photo ID: 171332    View Count: 6
Quartz (Var: Amethyst) : SiO2
	Wave Hill, Victoria-Birrindudu Basin, Northern Territory, Australia Specimen 70mm X 55mm.
© Greg Andrew	Photo ID: 171333    View Count: 6
Quartz (Var: Amethyst) : SiO2
	Wave Hill, Victoria-Birrindudu Basin, Northern Territory, Australia Specimen is 135mm X 130mm.
© Greg Andrew	Photo ID: 171354    View Count: 9
Quartz (Var: Amethyst) : SiO2
	Wyloo, Western Australia, Australia Specimen 80mm X 75mm.
© Greg Andrew	Photo ID: 171334    View Count: 6
Aragonite : CaCO3
	Iron Monarch open cut, Iron Knob, Middleback Range, Eyre peninsula, South Australia, Australia Specimen 70mm X 65mm
© Greg Andrew	Photo ID: 143727    View Count: 102
Aragonite : CaCO3, Calcite : CaCO3
	Iron Monarch open cut, Iron Knob, Middleback Range, Eyre peninsula, South Australia, Australia Specimen 75mm X 55mm. Label indicates small crystals as Calcite. Mindat.org Photo of the Day - 25th Jan 2008
© Greg Andrew	Photo ID: 143730    View Count: 300
Aragonite : CaCO3, Calcite : CaCO3
	Portland, Victoria, Australia Clear Aragonite crystals with brown Calcite spherules. Vesicle is 45mm across.
© Greg Andrew	Photo ID: 101560    View Count: 119
Azurite : Cu3[OH|CO3]2
	Arayonga Mission, Northern Territory, Australia Azurite "disc" is 45mm diameter.
© Greg Andrew	Photo ID: 171405    View Count: 20
Calcite : CaCO3
	Merriwa, Brisbane Co., New South Wales, Australia White spherulitic calcite in a chabazite lined vugh, Vugh is 45 mm X 55 mm.
© Greg Andrew	Photo ID: 170066    View Count: 13

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