I would offer. White throughout scripture represents the righteousness of God as that which the church is clothed . Stones represent the believers as the many stones that do make up the spiritual house of God as His bride coming down prepared as a city .
And as One poster offered Put the "hidden manna" together with these parables.
Matthew 13:44-46
44 Again, the kingdom of heaven is like unto treasure hid in a field; the which when a man hath found, he hideth, and for joy thereof goeth and selleth all that he hath, and buyeth that field.
45 Again, the kingdom of heaven is like unto a merchant man, seeking goodly pearls:
46 Who, when he had found one pearl of great price, went and sold all that he had, and bought it.
Exodus 16:31 And the house of Israel called the name thereof Manna: and it was like coriander seed, white; and the taste of it was like wafers made with honey.
Honey represent the sweet fellowship we do have with Christ and uses it in a way that we can rejoice with his truth .But eating to much represents false pride
Proverbs 25:16 Hast thou found honey? eat so much as is sufficient for thee, lest thou be filled therewith, and vomit it.
Proverbs 25:27 It is not good to eat much honey: so for men to search their own glory is not glory.
Manna in respect to white and using a pearl again
Num 11:7 And the manna was as coriander seed, and the colour thereof as the colour of bdellium.
The color Pearlescent . Had a Pearlescent suit in the 60's .It did b not draw to much honey LOL
Eastons dictionary Bdellium occurs only in Gen. 2:12, where it designates a product of the land of Havilah; and in Num. 11:7, where the manna is likened to it in colour. It was probably an aromatic gum like balsam which exuded from a particular tree (Borassus flabelliformis) stillfound in Arabia, Media, and India. It bears a resemblance in colour to myrrh. Others think the word denotes "pearls," or some precious stone.
Again looking at another parable which could be used to identify manna as the kind of food the disciples knew not of (hidden manna .He uses white to represent those who has received the gospel as the gospel does it work in them . Christ having beforehand prepared their hearts
But he said unto them, I have meat to eat that ye know not of.Therefore said the disciples one to another, Hath any man brought him ought to eat?Jesus saith unto them, My meat is to do the will of him that sent me, and to finish his work.Say not ye, There are yet four months, and then cometh harvest? behold, I say unto you, Lift up your eyes, and look on the fields; for they are white already to harvest. 4:32