Flower jade is formed by fractures in the jade oxidizing. In New Zealand flower jade is one of the most treasured types of Pounamu.
As in all things you get a wide range of qualities. Good flower Pounamu is characterized by yellow or white streaks going through beautiful vibrant translucent stone. I think it looks like clouds in a clear sky.
Below are examples of what I would call good Flower Pounamu / Jade with strong colours and contrast.
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