Troy-Deary Gun Club Basalt Quarry

• Mineral Photos
• Location Map

Minerals Present

• Calcite: White to yellowish coating and in vugs.
• Goethite: Thin, brown coating over siderite.
• Opal: Three different colors: black, brown and white microcrystalline.
• Siderite: Pale-brown to pale-yellow, botryoidal masses in vugs.