The spiral convolutions on a shell have often been associated with perfection and therefore plenty. Dreaming of such an object would link with a primitive understanding of those things we can permit ourselves to have.
The conch shell was, and still is, used as a trumpet in ccrtain societies, hence it may be seen as a warning.
The conch shell links with the spiral (see Shapes).... Ten Thousand Dream Dictionary
And Allah knows best.... Islamic Dream Interpretation
If you imagine that you yourself are Grey, it is still fortunate, but indicates difficulties before success.... Mystic Dream Book
If one sees his face white in the dream, it means sickness.
If he sees his cheeks radiant white in the dream, it means honor, bounty and a high rank in his community. White in a dream also represents elderly people. (Also see Colors)... Islamic Dream Interpretation
A desire to go through life undefiled.
The color white in a dream points to purity—the dreamer is either living a pure life or is longing for it. One is seeking cleansing, and probably is already cleansed in a certain sense, simply by having a dream about the color white. But it could also suggest exaggerated cleanliness, an addiction to washing and cleaning, etc.
On the other hand, white can also be an expression of fear, such as the white whale in Moby Dick and the great white shark. Here the reference is to a blinding white color. Ghosts, like those appearing as mice during delusional episodes (delirium tremens), are always white.
The archetype of the wise man is usually clad in white (the guru, and also the physician). White is also the fundamental symbol for the animus; it addresses the male intellect and also male aggression (when white is experienced as blinding and gleaming).
The union of Red and white is that of contradiction: it is the symbol of the mystical marriage and Tantric sexuality (white semen and red menstrual blood). Here is where innocence meets the physical body and where heaven meets hell. Red and white are the colors of alchemy as well as the colors in the coats-of-arms of England and Switzerland.
Mabinogion, the ancient Welsh epic poem, refers to the white dogs of the underworld, except they have red noses and red eyes.
According to Freud, white always points to the feminine.... Little Giant Encyclopedia
In Eastern cultures, the color of death and mourning.
Purity, as with the cleansing white light of New Age beliefs, and the blinding light of God in the Bible.
Covering up a mistake or blemish, as is accomplished with white-out and whitewash.
Alchemical: Following white light in a dream is a step that takes the dreamer on the path of ascent toward purity.... The Language of Dreams
The white horse appears where death is waiting or when we have a premonition. White in a dream might possibly be a reminder to resolve special situations or problems. WTiite is feminine, symbolizing virginity, but also emotional coldness and immaturity.
Depth Psychology: White is the color of the bride. It stands for completeness, idealism, purity, innocence, elegance, openness, and the beginning and end of all colors.... Dreamers Dictionary
For a woman to see one flying around in the room at night, forebodes unrequited wishes and disposition which will effect the enjoyment of other people.
To see a moth flying and finally settling upon something, or disappearing totally, foreshadows death of friends or relatives. ... Ten Thousand Dream Interpretation
The wood of the white thorn also is used to make magical wands. Considered a holy plant in Christianity, the white thorn grows in Glastonbury in southern England and is said to have been brought there by Joseph of Arimathea. It blooms twice every year.
Folklore: Good luck.... Little Giant Encyclopedia
To see others with whiteheads on them means that you will be troubled with complaints from friends and acquaintances.
To dream that you are popping your whiteheads, indicates that you need to face and express your negative emotions.... My Dream Interpretation
For a young woman, this dream is significant of well-laid plans to deceive others and gain back her lover who has been estranged by her insinuating bearing toward him. ... Ten Thousand Dream Interpretation