Strong’s Hebrew
H1858 — dar
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
דַּר
dar — pronounced dar
apparently from the same as 1865; properly, a pearl (from its sheen as rapidly turned); by analogy, pearl-stone, i.e. mother-of-pearl or alabaster:--X white. see H01865
1 occurrence in the KJV.
Esther 1:6
Where were white, green, and blue, hangings, fastened with cords of fine linen and purple to silver rings and pillars of marble: the beds were of gold and silver, upon a pavement of red, and blue, and white, and black, marble.