Thomsonite Balls Lot 501 - Specimens from India Sand LEFT HAND WHELK 10 +

LEFT HAND WHELK 10 +

1 KG - Brown Urcus Shells - 1

average size=eigth of one inch

Natural Orange Lions Paw Halves - 5 inch +

Thomsonite Balls Lot 501 - Specimens from India Sand LEFT HAND WHELK 10 +THE MINERAL THOMSONITE Thomsonite is an uncommon and desirable member of the zeolite group, forming in unique and interesting crystal aggregates. In 1997, the Zeolite Subcommittee of the IMA divided this mineral into two individual sub species, thereby regarding Thomsonite as a series of two members. The series is defined by calcium and strontium end members. Common Thomsonite, which is calcium dominating, is called Thomsonite Ca, and is usually pure