Connoisseur's Corner               

In this regular feature, we will display an elite specimen and discuss its merits as a masterpiece. We firmly believe that a masterpiece can cost $100 or $1,000,000 and transcends categories such as size.

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Phosphophyllite on Matrix

Phosphophyllite on Matrix
Unificada Mine, Cerro de Potosí, Bolivia
6.5 x 5.4 x 3.2 cm

- Irv Brown Collection

Considered the "holy grail" for mineral collectors, this spectacular phosphophyllite specimen features an un-twinned sea-foam blue crystal measuring 3.9 cm on matrix. With only four undamaged matrix phosphophyllite specimens recognized in the collecting world, this is the sole specimen with un-twinned crystals. The combination of size, crystal perfection, color, and transparency positions this piece in the ultra-elite category of specimens. This phosphophyllite belonged to well-known collector Bill Larson for 30 years before changing hands recently.

–Key Attributes: Crystal Perfection, Rarity, Color

Thomas Spann photo


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