Huang Longyu is a precious jade, and its white variety may be valuable for collection in some cases. However, there are many factors to consider whether it is valuable or not.

First of all, Huanglongyu is mainly yellow, so yellow varieties are more common and precious. However, the rarity of white Huang Longyu may be lower than that of yellow variety, so its value may be limited accordingly.

Secondly, to evaluate the value of Huang Longyu, we need to consider its quality, transparency, purity, technology and year. Because of these factors, even the Huang Longyu with the same color may have different values.

In addition, the relationship between market supply and demand and buyers' interests and preferences will also affect the value of Huang Longyu. Different people may have different views and comments on the same Huang Longyu, so its value may be different.

Generally speaking, white Huanglong jade has a certain collection value, but whether it is really valuable needs specific analysis. If there is a specific collection to be evaluated, it is recommended to consult a professional jade appraiser or collection appraiser, who can make a more accurate value judgment according to the actual situation.