Top Results for Corundum

A Pigeon’s Blood Ruby is a highly prized variety of ruby originating from Myanmar. These stones are renowned for their exceptionally intense, vivid red color – often described as resembling the blood of a pigeon. The rarity and depth of this hue make them among the finest quality rubies available. T...

A Royal Blue Sapphire is a highly prized member of the corundum family, renowned for its intense blue hue. Kashmir sapphires, particularly, are noted for their velvety depth and exceptional color saturation—considered among the finest gemstones globally. These stones are frequently used in high-end...

The Cornflower Blue Sapphire is a variety of sapphire prized for its delicate blue hue reminiscent of the flower’s color. Originating primarily from Ceylon (Sri Lanka), these gemstones are notable for their excellent clarity and vibrant tone within the corundum family. They are frequently used in cl...

A Padparadscha sapphire is a unique variety of corundum distinguished by its delicate pink-orange hue resembling a lotus flower. This gemstone’s rarity stems from specific geological conditions during formation, primarily found in Sri Lanka's river valleys. It is valued within the jewelry market for...

The ruby is a highly valued gemstone derived from corundum, known for its intense red color. Its significance stems from historical demand among royalty and its association with the Mogok Valley of Myanmar where many exceptional rubies were found. Rubies are commonly used in jewelry and are particul...

A blue sapphire is a highly valued gemstone derived from corundum. Its intense blue color arises from trace elements within the mineral structure. Sapphires are prized for their durability and beauty, frequently used in fine jewelry. They are particularly popular as a September birthstone gift and a...

Yogo sapphires are blue corundum gemstones mined from deposits at Yogo Gulch in central Montana, United States. They are characteristically found as small, well-formed crystals with relatively uniform blue color and high clarity, and they generally do not require the heat treatment commonly applied...

The Star Ruby is a variety of corundum renowned for its captivating asterism. This optical phenomenon arises from tiny inclusions of rutile that create six-rayed star patterns when viewed under light. Historically, Burma (Myanmar) was the primary source of exceptionally vibrant examples. These gemst...

A color-change sapphire is a rare variety of corundum exhibiting a distinctive optical phenomenon. The gemstone’s hue shifts between shades of blue and purple depending on the lighting conditions. This effect, known as the Alexandrite effect, results from vanadium absorption within the stone. It's p...

Teal sapphire is a blue-green variety of corundum, the same mineral species as other sapphires and ruby. Its color commonly reflects iron-related absorption, while the relative balance of blue and green can vary considerably between stones; some specimens also show different colors when viewed from...

Pink sapphire is a naturally occurring gemstone variety of the mineral corundum, deriving its distinctive pink-to-magenta hues from the presence of trace elements like chromium. The distinction between a pink sapphire and a ruby lies in the concentration of this chromium, with lighter tones classifi...

Montana Sapphire refers to the corundum gemstones mined from alluvial deposits and hard rock sites across the state of Montana in the USA. Discovered in the late 19th century, these sapphires are notably found in areas such as the Missouri River, Rock Creek, and the Yogo Gulch. They are highly value...

Orange sapphire is a gem-quality variety of corundum whose color ranges from yellowish orange to reddish or pinkish orange. Its color commonly results from trace elements in the crystal, and stones may be heat-treated to alter or intensify their appearance. Some orange-pink sapphires approach the co...

Yellow sapphire is a colored variety of the mineral corundum, deriving its golden to yellow hues from trace amounts of iron within the crystal structure. It is mined in significant quantities in Sri Lanka, Thailand, and Madagascar. Beyond its use in fine jewelry, the gemstone holds major cultural si...

Purple sapphire is a colored variety of the mineral corundum, distinct from ruby by its specific hue. The gemstone achieves its purple coloration through a combination of trace elements, primarily chromium alongside iron or titanium. Sri Lanka is widely recognized as the primary source of fine, gem-...

Star sapphire is a variety of the mineral corundum that displays the optical phenomenon of asterism, typically forming a six-rayed star shape when viewed under direct light. This effect is caused by microscopic rutile needle inclusions, known as silk, within the stone. To best display the star effec...

White sapphire is the colorless, transparent variety of corundum, the mineral that forms ruby and colored sapphires. It has the same high hardness as other sapphire and is used in jewelry, including as a colorless center stone or as an alternative to diamond. Its lack of visible body color results f...