Gemstone Knowledge
SOOKJAI KNOWLEDGE
Gemstone Knowledge
A considered guide to gemstones — from colour and cut to origin, treatment and the stories behind each stone.
Garnet
Malaya Garnet: The Garnet That Didn’t Fit the Usual Categories
Malaya garnet grew into an identity of its own precisely because its colours and chemistry did not fit neatly into the garnet categories the trade already knew.
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Garnet · The Sookjai Perspective
Why Garnet Is So Much More Diverse Than Its Reputation Suggests
Garnet is often remembered as a deep red gemstone, yet its mineral family reaches through vivid green, orange, honey, purple, colour change and remarkable optical effects.
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Colour · Garnet
Colour-Change Garnet: One Gemstone, Two Different Moods
Colour-change garnet reveals how gemstone chemistry and illumination work together, allowing one stone to show distinctly different colours—and different moods—under different light sources.
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Colour · Garnet
Hessonite Garnet: Warm Honey, Cinnamon and Golden Tones
Hessonite is the warm side of grossular garnet, moving through honey, cinnamon, golden orange and reddish-brown tones with a distinctive internal character of its own.
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Colour · Garnet
Mali Garnet: Where Green, Yellow and Gold Come Together
Mali garnet occupies a natural meeting place between grossular and andradite, with colours that move through green, yellow, olive and gold rather than belonging to a single shade.
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Colour · Garnet
Rhodolite Garnet: Where Red, Pink and Purple Meet
Rhodolite garnet lives in the meeting place between red, pink and purple, with a colour identity that mirrors the continuous pyrope–almandine chemistry behind the stone.
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Colour · Garnet
Spessartine Garnet: From Mandarin Orange to Warm Red-Orange
Spessartine garnet spans a warm world of colour, from golden and vivid mandarin-like orange to deeper red-orange, revealing far more than a single celebrated trade colour.
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Colour · Garnet
Demantoid Garnet: Green Garnet with Exceptional Fire
Demantoid is the green variety of andradite garnet, distinguished by exceptional dispersion that brings spectral fire into conversation with its green body colour.
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Colour · Garnet
Tsavorite Garnet: The Vivid Green Side of Garnet
Tsavorite is the vivid green variety of grossular garnet, shaped by unusual East African geology and a gemstone identity far younger than the rocks that created it.
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Colour · Garnet
Garnet Colours: From Deep Red to Vivid Green and Orange
Garnet reaches far beyond its familiar deep red, opening into purple-red, orange, yellow, vivid green, unusual blue and even colour-changing appearances.
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Garnet
What Is Garnet? More Than Just a Red Gemstone
Garnet is not one red gemstone but a family of closely related minerals spanning red, orange, purple, green, yellow and even colour-changing varieties.
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