Clay samples are very much in demand from CSSJ members. In response to this demand, the CSSJ distributes clay mineral samples used as standard samples in research activities (CSSJ Reference Clay Samples). We have the following samples, prepared with the help of supporting members.

Sample code Major clay mineral (Origin) Mass per unit
Member price
Non-member price
JCSS-3101b Montmorillonite (Tsukinuno) Powder 100 g 5,000/3,000 8,000
JCSS-3102 Montmorillonite (Mikawa) Powder 100 g 4,500/2,500 7,500
JCSS-3501 Synthetic saponite
(Kunimine Industries Co., Ltd.)
Powder 100 g 6,000/4,000 9,000
JCSS-2101 Pyrophyllite (Shokozan) Powder 100 g 6,000/4,000 9,000
JCSS-1301 Dickite (Shokozan) Powder 100 g 6,000/4,000 9,000
JCSS-1101c Kaolinite (Kanpaku) Powder 100 g 7,000/5,000 10,000
JCSS-5501 Hydrobiotite (South Africa) Granular 100 g 6,000/4,000 9,000
JCSS-7101 Crude imogolite (Kanuma) Wet 33 g*
(Dry mass 1 g)
8,000/6,000 11,000
JCSS-7102 Reduction treated
crude imogolite (Kanuma)
Wet 33 g*
(Dry mass 1 g)
9,500/7,500 12,500

JCSS-5501 is temporarily unavailable.

Additional shipping and handling charges are required. Credit card payment is recommended. In the case of payment by bank transfer, the sender will be responsible for all additional fees related to the remittance.

Price A: Price for the first unit.

Price B: Price for each additional unit (up to 5 units)
We only provide 1 unit to non-members, and in principle we do not respond to additional requests.

*Supplied in a pouch package.

†According to the method described in the reference.

To purchase samples, please inform us the sample code, the quantity you want, and the shipping address. Fill out the purchase application form and send it to the Reference Clay Sample Committee.

Purchase application form

Reference Clay Sample Committee
National Institute of Advanced Industrial Science and Technology
Research Institute for Geo-Resources and Environment
Central 7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8561 Japan
E-mail: kazuya.morimoto[at] (Please change [at] to @.)