Benitoite, Neptunite, Natrolite

An AESTHETIC and EXCELLENT Dallas Gem Mine CABINET plate with partially gemmy, light indigo-blue benitoite crystals to 1.5 cm RICHLY sprinkled on natrollite-covered matrix. Scattered black neptunite crystals to 7 mm are a nice compliment. This is FINE, older material, HARD to obtain now with the closing of the mine.

Locality

Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California

Species

Neptunite, Benitoite, Natrolite

SizeCabinet

Comments

Known provenance

Date

Owner

Price

Note

2024/08

Unknown

Not disclosed

—

Unknown

The Arkenstone

Not disclosed

—

2024/08UnknownNot disclosed—

UnknownThe ArkenstoneNot disclosed—

Neptunite Sales Data

Total Items Sold0

Total Value$0

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