Clinoptilolite - Richardson's Ranch, Oregon, USA.

A unique, sought-after 'small-cabinet' mineral specimen of rare Clinoptilolite-Na on a Rhyolitic Tuff 'thunderegg' matrix with accompanying provenance from Richardson's Ranch, Madras, Jefferson Co., Oregon, USA.

The specimen features numerous small, lustrous crystals of perfectly-terminated 'burnt orange - Copper-coloured' crystals of Clinoptilolite-Na with associated acicular fibrous white Mordenite crystals.

The specimen comes with 3 labels: A 'Midland Minerals' label, 'Peter G. Seroka' collection label and label from the collection of 'Allan and Elvire Mortimer' label.

Measurements:

•Weight = 203.3 grams

•Length = 8.8cm

•Width = 7.0cm

•Height = 5.1cm