20019 Quartz, Holland Mine, Duquesne Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA

October 5, 2019 Steve Arizona North and Central Americas United States

Multiple Japan-Law twins. Ex Marylin Dodge Collection. See http://www.irocks.com/minerals/specimen/3973

Tags: Quartz

North and Central Americas United States Virginia

1311 Calcite, Quartz, Haymarket Quarry, Haymarket, Virginia, USA

September 22, 2019

Canada North and Central Americas

2203 Strontianite, Pyrite, Quartz, Dolomite, Galena, Poudrette Quarry, Mont St Hilaire, Quebec, Montreal, Canada

September 22, 2019

Australasia Australia Tasmania

ncat AU002 Galena, Quartz, Siderite, Great South Comet mine, Dundas mineral field, Zeehan mining district, West Coast municipality, Tasmania

October 20, 2023

Australasia Australia New South Wales

0544 Malachite, Azurite, Beudantite, Quartz, 115ft Level, Block 9 Mine, Mineral Hill, near Condobolin, New South Wales

September 20, 2019