WikiCards · Card list · Nature cards · Jarosite
Common card · Nature
Jarosite, a Common card
Jarosite is a basic hydrous sulfate of potassium and ferric iron with a chemical formula of KFe326.
- Rarity
- Common
- Domain
- Nature
- ATK
- 60
- DEF
- 38
- Power
- 98
- Wikipedia reads a year
- 9,600
Power 98 (ATK + DEF): stronger than 40 % of WikiCards cards.
Jarosite quiz: 3 questions
Three questions on the Jarosite card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
This sulfate mineral is formed in ore deposits by the ______ of iron sulfides.
Answer
oxidation. This sulfate mineral is formed in ore deposits by the oxidation of iron sulfides. From the Jarosite article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
USS Acadia. USS Acadia 63 · Jarosite 60 · Brucite 57 · Horsehair crab 51 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Brucite. Brucite 12,000 · Jarosite 9,600 · Forearc 7,600 · Clitopilus prunulus 5,200 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.
- This sulfate mineral is formed in ore deposits by the oxidation of iron sulfides.
- Jarosite is often produced as a byproduct during the purification and refining of zinc and is also commonly associated with acid mine drainage and acid sulfate soil environments.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Jarosite article was read about 9,600 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 60 and blocks with 38: each hit it takes is cut by 15 %.
How to get Jarosite
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 Nature cards
Cards close in power
The cards just above and just below Jarosite in the power ranking, all domains together.
- Steve CrockerCommon · Science · ATK 57 DEF 41
- Chiquinha GonzagaCommon · Arts · ATK 63 DEF 35
- Four Seasons Hotel MiamiCommon · Society · ATK 54 DEF 44
- Jay MinerCommon · Science · ATK 55 DEF 43
- Bobby MorrowCommon · Society · ATK 55 DEF 43
- Chi TuCommon · History · ATK 63 DEF 35
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Nature cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Jarosite (revision), CC BY-SA 4.0. Photo : Dave Dyet http://www.shutterstone.com http://www.dyet.com, Public domain, Wikimedia Commons.

