Boltwoodite, Calcite

Boltwoodite is a rare potassium sodium uranyl silicate. This fine specimen features a well-placed, 3.8 cm vug highlighted with radial clusters of super-bright, lemon-yellow boltwoodite needles. The vug is lined with smoky-brown calcite scalenohedrons and the boltwoodite clusters surround a 1.7 cm, lustrous, colorless calcite scalenohedron. Ex. Rob Smith Collection.

Locality

Namibia, Erongo Region, Arandis

Species

Calcite, Boltwoodite

SizeSmall Cabinet

Comments

Known provenance

Date

Owner

Price

Note

2024/08

Unknown

Not disclosed

—

Unknown

The Arkenstone

Not disclosed

—

2024/08UnknownNot disclosed—

UnknownThe ArkenstoneNot disclosed—

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