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WikiCards · Card list · Science cards · Corundum
Rare card · Science
Corundum, a Rare card
Corundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium, and chromium.
- Rarity
- Rare
- Domain
- Science
- ATK
- 66
- DEF
- 55
- Power
- 121
- Wikipedia reads a year
- 200,000
Power 121 (ATK + DEF): stronger than 60 % of WikiCards cards.
Corundum quiz: 3 questions
Three questions on the Corundum card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is a rock-forming ______.
Answer
mineral. It is a rock-forming mineral. From the Corundum article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Epictetus. Epictetus 300,000 · Corundum 200,000 · Livy 150,000 · Canon de 16 C modèle 1864 1,000 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It is a rock-forming mineral.
- It is a naturally transparent material, but can have different colors depending on the presence of transition metal impurities in its crystalline structure.
- Corundum has two primary gem varieties: ruby and sapphire.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Corundum article was read about 200,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 66 and blocks with 55: each hit it takes is cut by 22 %.
How to get Corundum
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Corundum in the power ranking, all domains together.
- JiangshiRare · Arts · ATK 66 DEF 55
- Link WrayRare · Arts · ATK 70 DEF 51
- Battle of Ain JalutRare · History · ATK 71 DEF 50
- Alan PriceUncommon · Arts · ATK 68 DEF 53
- Auguste EscoffierUncommon · History · ATK 64 DEF 57
- Box plotUncommon · Science · ATK 64 DEF 57
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Corundum (revision), CC BY-SA 4.0. Photo : Ra'ike (see also Ra'ike on de.wikipedia, CC BY-SA 3.0, Wikimedia Commons.
