20051 Dioptase, Calcite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia

April 25, 2020 Steve Africa Namibia

Sharp green dioptase crystals on calcite. Ex Roger Colling Collection.

Video best viewed full screen.

Tags: Calcite Dioptase

Australasia Australia Tasmania

2949 Calcite, Natrolite, Gmelinite, Analcime, Weldborough Quarry, Lottah, Tasmania

October 3, 2019

Australasia Australia Victoria

2440 Calcite, Portland Harbour Trust Quarry, Cape Grant, Portland, Victoria

September 22, 2019

Arizona North and Central Americas United States

ncat JP1738, Vanadinite, Calcite, Arizona, USA

September 23, 2019

New Jersey North and Central Americas United States

10011 Prehnite, Calcite, Lower New Street quarry, Paterson, Passaic Co., New Jersey, USA

October 5, 2019

Localities

Archives