Weloganite     Francon, Montreal, Canada.  Ex. Dr. Steve Chamberlain Collection.  An 8 x 5.7 x 3 cm block sawn flat on base with a 4,5 cm vug.  In the opening are yellow weloganite crystals to 2.8 cm each… quite large for the species.  Minor edge contact on the largest crystal at edge of vug.  No damage.  A very fine example of this rare material.  $300