Orthorhombic crystal system | Earth Sciences Museum
Pinacoid: A pinacoid is composed of only two parallel faces. In this case, the top and bottom face are the pinacoid forms (the blue faces). There are a total of three pinacoids in this form. Baryte: orthorhombic system prism and pinacoid forms Close-up of baryte: orthorhombic system prism and pinacoid forms
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