Table:
text: Jewelpet Universe
Jewelpets
Jewelpets
Name_ Jewel Species Gender Jewel_Power Attribute_ Birthday Media_Debut Voice_actor
Chite ( カイト ? ) Malachite Jack Russell Terrier Male Assistance Magical Green December 4 EP 5 Miyuki Sawashiro
Prase ( プレーズ ? ) Chrysoprase Toy Poodle Female Study Magical Green February 14 EP 6 Ai Iwamura
King ( キング ? ) Onyx French Bulldog Male Health Magical Black August 10 EP 7 Hidenobu Kiuchi
Rald ( ラルド ? ) Emerald Panda Male Harmony Magical Green May 17 EP 8 Mayumi Tsuchiya
Ryl ( リル ? ) Red Beryl Miniature pig Female Mind and Body Purification Magical Red April 24 EP 9 Tomomi Fujita
Tour ( トール ? ) Tourmaline American Shorthair Male Adventure Magical Green October 13 EP 10 Junko Takeuchi

Question: How common is Jewelpet Universe's jewel malachite among jewelpets?