Bk
Actinide
Berkelium Gakufu-no-Kagishi
Berkelium Gakufu-no-Kagishi
BkBerkelium
Image kind
Real photo
Credit: Oak Ridge National Laboratory, US Department of Energy / Public domain (modified) · source
Element 97. Named after Berkeley, California, home of UC Berkeley. First synthesized in 1949 by Thompson, Ghiorso, and Seaborg by bombarding Am-241 with alpha particles. Bk-249 has a 330-day half-life — produced only in microgram quantities, yet indispensable as target material for synthesizing tennessine (element 117). A rare key that unlocks heavier elements
Jungian Type: Type 2
Personality tendencies across 4 dimensions
内向 (I)25%外向 (E)
50
直観 (N)75%感覚 (S)
50
感情 (F)35%思考 (T)
50
知覚 (P)80%判断 (J)
50
Enneagram Detailed Scores
Score distribution across 9 types
Big Five Personality Traits
Personality analysis based on the 5-factor model
Alloy Characteristics
Personality traits from metal physical properties
💰Price & Economic Data
Market price and economic characteristics (as of 2026-02)
Price Range
Market Trends & Notes
DOE同位体プログラムでORNL高中性子束炉により限定生産。テネシン合成用の22mg Bk-249生産に250日の照射と数百万ドルのコストが必要。世界で最も入手困難な元素の一つ
🎨Element Colors
Scientific basis of Berkelium Gakufu-no-Kagishi's colors
Colors of this element
銀色（金属）/ 琥珀〜黄金色（化合物）
#D4A017
💑Compatible Materials
Materials with good metallurgical and personality compatibility
Career Interests & Suggestions
Based on Holland Code: SCI
1st S - Social
2nd C - Conventional
3rd I - Investigative
1Research Assistant / Lab Technician
2Librarian / Archivist
3Medical Office / Clinical Technician
4School Counselor Assistant
5QC Administrator / ISO Audit Assistant
6Welfare Facility Administrator
Based on RIASEC (Holland Code) vocational interest model. These are illustrative suggestions derived from the character's personality profile.