Depending on the conditions in which it formed, opal may be transparent, translucent, or opaque, and the background color may be white, black, or nearly any color of the visual spectrum. …

Mar 5, 2025 · When light hits an opal, it travels through tiny silica spheres inside the stone, creating a rainbow of flashing colors, known as “play-of-color.” The colors can include blues, …

Opal mines in Peru yield common opal in pastel colors of blue, green, and pink. The accompanying photo shows strands of rondelle-shaped beads in all three colors.

Aug 16, 2024 · When people think of opal, they often envision a milky white stone, sometimes with specks of color seemingly “floating” inside. But opal boasts a wide variety of body tones or …

Explore comprehensive opal gemstone information covering varieties like black, fire, and boulder opals, their colors and patterns, historical significance, care tips, and symbolic meanings for …

The best play-of-color is the brightest; if it also has all the rainbow colors, then it is very rare and valuable. Opals are known by their background colors and are called black, white, gray, or fire …

Nov 27, 2025 · Black opal, with a very dark gray or blue to black body colour, is particularly rare and highly prized. White opal, with light body colours, and fire opal, characterized by yellow, …

To sum it up, opal is not just a color—it’s every color. From oceanic blues to fiery reds, ethereal pinks to magical purples, the colors of opal make it one of the most mesmerizing gemstones …

Jun 22, 2025 · Explore the mesmerizing world of opal colors, from fiery reds to deep blues. Learn what causes opal's play-of-color and discover every type of opal color pattern. Listen, I'm …

Discover the spectrum of colors in opals. Learn how red, blue, green, and other opal colors form, their rarity, and how color affects opal value.