Lustre Nacre

An important factor to look out for is the thickness of the nacre as this determines the pearl s lustre.

Lustre nacre. It is caused by light travelling down through the translucent layers of nacre and reflecting back to the eye from deep within the pearl. Première brocante en ligne. Pearl luster defined pearl luster also spelled lustre is the measurement of the quality and quantity of light that reflects from the surface and just under the surface of a pearl. There re seven value factors when judging a pearl s quality.

The factors that determine a pearl s lustre are highly complex being determined physically by the way that light diffracts through the physical structure of the layered nacre of the pearl. Factors affecting the quality of the nacre include the cultivation place the health of the mother oyster length of cultivation environment and the type of oyster used. The more lustrous the pearl the more it shines and reflects. à chiner lustre nacre de capiz et laiton sur selency.

Lustre is determined by the quality of a pearl s nacre. Lustre is more than a combination of surface brilliance and a deep glow. Nacre and lustre are closely tied in the rating value of a pearl. Lustre is essentially the intensity and sharpness of the light reflected from a pearl s surface.

Lustre size shape colour surface nacre quality and matching. Lustre is the most important of all the value factors when considering the beauty of a pearl. Without lustre pearls can be dull opaque and lifeless. Lustre is the shine that gives pearls their beauty and is an important buying factor.

Pearl luster is the shine that give pearls their beauty luster is essentially the reflective quality or brilliance of the surface of the pearl nacre. Pearls with low lustre appear chalky yellow or dull. Since it is linked with lustre one of the most desirable pearl qualities nacre is also a valuable quality in a pearl. The thicker the nacre the more shiny or lustrous the pearl appears.

The thickness of the nacre is caused by how long the pearl is left in the oyster. Only the akoya cultured pearls with the highest quality and lustre can be bestowed with the name mikimoto pearl. The more lustrous the pearl is the brighter and shaper its reflection. Thicker nacre also makes for a more robust pearl and creates an illusion of depth.

Lustre refers to the pearls brilliance the way it s surface reflects light and to it s inner glow how it refracts light from the layers of nacre within. Its transparency smoothness and overall thickness are very important to the peals beauty and value. The quality of a pearl is determined by several criteria including its size shape colour and lustre.