问题: 辉银矿的化学式和密度是多少？
Cypher查询:
match (:ENTITY{name:'辉银矿'})-[:Relationship{name:'化学成分'}]->(n) return n.name as name union all match (:ENTITY{name:'辉银矿'})-[:Relationship{name:'密度'}]->(m) return m.name as name
查询结果:
Ag2S
7.2-7.4