Modifier

modifier A color that changes the appearance (hue) of another, e.g., a primary hue such as red can be modified by a secondary hue such as orange, yielding an orangy red hue. Saturation modifer, see mask.

The color modifier slightly decreases the price of the diamond. Pink diamonds with a secondary coloring are more affordable and have a beauty all their own. They offer more people the opportunity to own a fancy color diamond.

When a piece of Tanzanite rough is cut with the blue axis facing upwards through the table, the stone will be predominantly blue with a violet modifier (the violet axis will be parallel to the blue) and the stone is graded vB (violetish Blue).

No brown or gray modifiers should be present in the finished piece.
Saturation (nong): This is by far the most important element of green and lavender jadeite color.

It is the saturated golden-sherry or quince-jelly hue with often a brown modifier and yellow or pink undertones that is named "imperial topaz".

Gray grading to black is the normal saturation modifier or mask found in chrome tourmaline. Due to its chemistry, chrome tourmaline is normally highly saturated. An overabundance of chromium/vanadium appears to be the culprit.

When such is the case, modifiers such as "laboratory grown", "synthetic", "cultured", or "man-made", must, by Federal Trade Commission (FTC) regulations, be used in the descriptions of any such pieces being advertised or marketed.

Gray in sapphire is a saturation modifier reducing color concentration and brightness of the stone. Gray masking in Kashmir sapphire is minimal making them appear comparatively dense and purer.

But the term cat's eye should always use with a mineral species or a gem name as a modifier, such as cat's eye tourmaline, cat's eye moonstone or cat's eye Chrysoberyl.

Precious opal may be subdivided further by color modifiers, white, black, pinks, and blue, which describe the body color of the opal. Australia is famous for its white and black precious opal.

Tongue bifurcation is, however, not necessarily a surgical procedure. Self modifiers often choose to achieve a split by gradually tightening nylon bindings inserted through an existing tongue piercing over a long period of time.

The part of the diamond above the pavilion, correctly called the "crown". Also a modifier used in descriptive colour grading systems, meaning better than or in the upper range of , e.g. top silver cape.
Top Light Brown ...

To avoid confusion, other types of glass often are referred to with a modifier, such as the term metallic glass to refer to amorphous metallic alloys.