polariscope
:A preform is held parallel to viewing field to study a colour pattern known as isochromfringe.This indicates magnitude of the stresses introduced during moulding process.andWhen perform is held 45 deg to viewing field a coloured pattern known as isoclinic is sethis indicates direction of stresses.
...moregemological microscope
Our esteemed clients can purchase from us a quality-approved assortment of Dark Field Gemological Microscope at pocket friendly price. With the constant support of a team of experienced employees we manufacture the offered products with high quality features. These products can also be provided in customized options also to suit the needs and demands of our valuable customers. Apart from this, we are offering these products at very reasonable prices.
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necklace box
Velvet Pouch-Blue
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