Weâd like to introduce a new columnar storage format for Hadoop called Parquet, which started as a joint project between Twitter and Cloudera engineers.
There are two birthstones for the month of June. Alexandrite was the traditional birthstone for June, but due to its scarcity and cost, pearl has become June's common birthstone. The alexandrite was named after Czar Alexander II and is one of the most desired gems. Its color changes with the lighting surrounding the stone, which is called its phenomena.
Birthstones are gemstones that accompany a birth month, each having a unique meaning and historical significance. The popularity of birthstones dates back to ancient times when civilizations believed that gemstones had incredible powers such as luck, health and prosperity. Traditionally, each month is associated with a single gemstone, but as youâll find below there are a few months with multiple birthstones.