Garnet
0Loading crowd target
0Loading crowd target
7correct to beat the crowd
40 free Garnet trivia questions with answers — science & nature quiz, new questions added Oct 2026.
Garnet is one of the oldest gems people have worn, and one of the most misunderstood. Most of us picture a dark red stone, but garnet is really a whole family of minerals that turns up in green, orange, purple and even colour-changing forms, and much of it is ground into grit for industry rather than set in a ring. This quiz collects the fun facts about garnet that are worth knowing: where the name comes from, which month and anniversary it marks, what sets varieties such as tsavorite, demantoid and rhodolite apart, and how garnets ended up in royal burials, astrology and outer space. It suits birthstone lovers, rock collectors, jewellery fans and anyone who enjoys a good 'I never knew that' fact. Every answer comes with a short explanation, so you will leave knowing more than when you started.
30 of 40 questions with answers and explanations. Play the quiz
Q 01Garnet's name is usually traced to the medieval Latin name of which fruit?
Pomegranate
Pomegranate is the usual explanation: the medieval Latin granatus is thought to recall the fruit's red seeds, which small garnet crystals resemble. The plant's botanical name, Punica granatum, carries the same word.
Q 02Prospectors follow trails of unusual garnets to find deposits of which precious gem?
Diamonds
Diamonds ride to the surface in volcanic pipes beside far more numerous garnets, so geologists track the garnets back to the pipe. Some Canadian pipes were found by following trails left by moving ice.
Q 03Which everyday workshop abrasive is still sold with a reddish cutting grit of crushed garnet?
Sandpaper
Sandpaper made with garnet keeps cutting because the grains fracture as you sand, exposing fresh sharp edges. Cabinetmakers favour it for finishing bare wood.
Q 04Which jeweller's designs made green demantoid garnets popular in Russia before the 1917 revolution?
Fabergé
Fabergé set the brilliant green stones in jewellery for Russia's elite, but after the revolution they fell out of style in the austere Soviet years.
Q 05Garnets come in nearly every colour, but which is the rarest, first reported only in the 1990s?
Blue
Blue garnets turned up in the late 1990s at Bekily in Madagascar, and they shift towards purple under a warm lamp.
Q 06Factories blast garnet grit in a high-pressure jet of what to slice through steel and stone?
Water
Water carries the garnet at such pressure that the jet cuts metal, ceramic and stone with very little dust and at a low temperature.
Q 07The Subway Garnet, a 15 cm almandine crystal discovered in 1885, turned up in which American city?
New York
New York yielded the six-inch stone, which the city's Mineralogical Club keeps with some 700 local specimens at the American Museum of Natural History.
Q 08Garnet is the traditional birthstone for people born in which month of the year?
January
January's stone is tougher than its soft glow suggests: it can scratch opals and pearls, though rubies and sapphires will scratch it in turn.
Q 09Which luxury jeweller named the green garnet tsavorite and began marketing it to the public in 1974?
Tiffany & Co.
Tiffany & Co. president Henry Platt proposed the name in honour of Tsavo, the Kenyan national park near where the gem was mined.
Q 10In which animated series does Garnet, voiced by singer Estelle, lead the Crystal Gems?
Steven Universe
Steven Universe makes Garnet a fusion of two smaller Gems, Ruby and Sapphire, who stay merged out of love for each other.
Q 11Garnet's hardness of about 6.5 to 7.5 on the Mohs scale sits close to which common mineral?
Quartz
Quartz sits at 7 on the Mohs scale, right in garnet's range, which is why the gem is hard enough to work as an industrial abrasive.
Q 12Hessonite, an orange-brown grossular garnet, has long been nicknamed after which kitchen spice?
Cinnamon
Cinnamon stone is hessonite's old nickname, while 'hessonite' itself comes from the Greek for inferior, because it is softer and less dense than most other garnets.
Q 13Rhodolite, a pink garnet first described in North Carolina, is named from Greek for which flower?
Rose
Rose is 'rhodon' in Greek, a root rhodolite shares with other pink minerals such as rhodonite and rhodochrosite.
Q 21Which Anglo-Saxon ship burial, uncovered in Suffolk in 1939, held gold clasps set with garnets?
Sutton Hoo
Sutton Hoo's clasps carry interlocking wild boars worked in garnet, and no other Anglo-Saxon clasps of their kind are known.
Q 22Star garnets, which show a four- or six-rayed star, occur almost only in India and which US state?
Idaho
Idaho's star garnets are rarer than star rubies or star sapphires, and the public can dig for them at a national forest site near St. Maries.
Q 23Which old name, from the Latin for a glowing coal, was given to red garnets cut with a smooth dome?
Carbuncle
Carbuncle once covered almost any red gem, and some English Bibles use the word for the fourth stone in the high priest's breastplate.
Q 14Ancient Romans pressed carved garnet signet rings into which material to seal important documents?
Wax
Wax took the stamp of a garnet intaglio, a design carved into the stone, centuries before red garnets became a favourite of medieval clergy and nobles.
Q 15In legend, a glowing red garnet was among four precious stones that God gave to which biblical king?
Solomon
Solomon's stone went by an old name once used for almost any red gem, though it most often meant a red garnet.
Q 16Which astronomer gave the red star Mu Cephei its nickname by comparing its colour to a garnet?
William Herschel
William Herschel, the discoverer of Uranus, made the comparison, and in 2024 the International Astronomical Union approved Garnet Star as the red supergiant's official name.
Q 17Bright orange spessartine garnets are sold under a trade name borrowed from which citrus fruit?
Mandarin
Mandarin garnets get their orange from a high spessartine content; the more almandine is mixed into the crystal, the redder or browner it turns.
Q 18Melanite, an andradite garnet popular in Victorian jewellery, is which colour, thanks to titanium?
Black
Black melanite was worn alongside jet and dark chalcedony when Victorian fashion favoured dark gems.
Q 19Garnet is the suggested gemstone for which early wedding anniversary, long before silver or gold?
Second
Second anniversaries get garnet, a durable gem that is usually sold untreated and is common enough in red to stay affordable.
Q 20Golden 'horsetail' inclusions, prized in demantoid garnets, are curving threads of which mineral?
Asbestos
Asbestos, in its chrysotile form, makes the curving golden threads, and buyers welcome them as a sign of prestigious Russian origin.
Q 24The red garnet pyrope takes its name from two Greek words that together mean what?
Fiery-eyed
Fiery-eyed pyrope is less common than most garnets yet widely worn, and it picked up misleading trade names such as Cape ruby and Arizona ruby.
Q 25Which region, now in the Czech Republic, supplied the red pyrope garnets of Victorian jewellery?
Bohemia
Bohemia's garnet deposits were found around 1500 and fed a regional jewellery industry that peaked in the late 1800s.
Q 26Garnets, from red almandine to green uvarovite, form crystals in which of the crystal systems?
Cubic
Cubic symmetry is the rule for the gem garnets, yet the crystals almost never form actual cubes: they most often grow as twelve-faced dodecahedra.
Q 27Grossular garnet takes its name from the old botanical name of which berry?
Gooseberry
Gooseberry-green grossular found in Siberia inspired the name, though the species also comes in brown, red and yellow.
Q 28Demantoid garnet was discovered in 1851 in the gravels of which mountain range, near Ekaterinburg?
Ural
Ural miners were stunned by how brightly the green stones sparkled, which is unusual for a garnet, and more turned up along the Bobrovka River in the 1970s and 1980s.
Q 29Spessartine garnet is named after the Spessart, low wooded mountains in which European country?
Germany
Germany's Spessart, in Bavaria, is the mineral's type locality, the place where it was first described.
Q 30Almandine garnet's name corrupts a term which ancient author used for a stone from Alabanda?
Pliny the Elder
Pliny the Elder wrote of 'alabandicus', a stone found or worked at Alabanda, a town in Caria in Asia Minor.