Auctions
Bidding Rules
Payment & Shipping Info

SIZE DEFINITIONS

Generic Dimension	Maximum Dimension (Inches)	Maximum Dimension (Centimeters)
Thumbnail	1 1/4	3
Miniature	2	5.0
Small Cabinet	3 3/4	9.4
Cabinet	> 3 3/4	> 9.4

While Toenail is not an official "competition" size classification, sometimes thumbnail specimens are just a bit too big for competition rules, often referred to as "boxbusters." There is no standard size for toenails, but they overlap a thumbnail and a miniature.

Billing Dates
- BILLING DATES
  Upcoming Billing Dates (following auction sets)
  
  April 26th/29th (April 18th, 20th and 25th auction sets)
  
  May 10th/13th (May 2nd and 9th auction sets)
  
  May 24th/27th (May 16th and 23rd auction sets)
About Us

Gilbertite (Muscovite) with Apatite on Feldspar (ex Kay Robertson Collection)

Epprechtstein, Kirchenlamitz, Weisenstadt, Fichtelgebirge, Franconia, Bavaria, Germany

Small Cabinet, 6.2 x 5.3 x 4.2 cm

Start Time: 11/02/2017 6:45:00 pm (CDT)

End Time: 11/09/2017 6:45:00 pm (CST)

Auction Closed

View Closed Auction Set

Item Description

A rarely seen example of the compacted variety of Muscovite called Gilbertite (formerly its own species) associated with beautiful little blue tabular hexagonal gemmy crystals of Apatite on a blocky pinkish-beige colored Orthoclase. Ex Kay Robertson Collection (#4743). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Velt" November-December 2017). A wonderful old German association specimen.

Did You Know We Offer Custom Bases?

Miss this auction? Buy Gilbertite mineral specimens on iRocks.com