6-The  largest Mica crystal in the world

Biotite Mica with Adam and Eli for Perspective, From the Purdy Mine, Eau Claire Station, Ontario © Copyright Hershel Friedman and Minerals.ne
The largest authenticated PHYLLOSILICATE crystal by length. Purdy Mica Mines. Ontario, Canada. This cleavage flake is in the Royal Ontario Museum, Toronto, Canada.

7-The largest cut yellow topaz in the world

The American Golden Topaz, The largest cut yellow topaz in the world, and one of the largest faceted gems of any type in the world. Originating from Minas Gerais, Brazil, it was cut by Leon Agee over a period of two years from an 11.8 kg.

8-The largest amber piece in the world


In 1991 a german - malaysian expedition set out to salvage the 'largest amber piece in the world' and they succeed to delineate an amber piece of 3,5 m length, 1,5 m width and some decimeter height. This piece was reduced to the size of 2,3 m by 1,3 m for easier transport, but was finally further divided into three specimen for display in the Sarawak Museum in Kuching, the Museum of the Geological Survey of Sarawak and the Stuttgarter Naturkundemuseum in Germany.

9-The largest Colemanite in the world 

The largest Colemanite ever was found in Bigadic, Turkey and its Dimensions 30 x 30 x 20 cm, and it is now at Izmir University.

10-The largest Galena  in the world 

The largest SULPHIDE crystal by volume and mass.
Galena, Great Laxcy Mine, Isle of Man, U.K.{composite cubo' octahedra up to 25 cm, specimen BM 61213).

Read the first part (1-5) World's largest crystals 1

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