Leucite Pseudomorph by K-Feldspar, Vejprty, Czech Republic, Dr. David London Collection L-346, Miniature, 5 cm, $45. Online Oct. 4.
NSMW13420
Sharp trapezohedral bi-colored light gray and sandy brown K-feldspar pseudomorph after leucite from this classic Czech location. Acquired from Czech Minerals, Alexandr Martaus in 2002. In excellent condition.