- Item Code: P-11666
Origin: Brazil
Dumortierite is an aluminum borosilicate ( Al7BO3(SiO4)3O3 ), often found in-situ in Quartz.
Dumortierite promotes calmness in the face of over-excitedness and times of heightened emotion.
It also sharpens analytical skills, making it a useful tool for students.
We don’t take payment through the website.
Instead, once your order is submitted we’ll contact you via email or phone with your pro forma invoice.
We’ll provide you with a branded satin pouch and information card for every item you order.
We’ll ship your order in an Express Post satchel via Australia Post, unless we have communicated to arrange otherwise.
The cost of shipping your entire order is AUD $12.70
For larger, bulky orders the cost of shipping is AUD $16.75
Upon your request, we can add the signature on delivery service for an extra cost of $6
| USA | Australian | Inside Diametre (mm) |
|---|---|---|
| 6 | L ½ | 16.5 |
| 6.5 | M ½ | 16.9 |
| 7 | N ½ | 17.3 |
| 7.5 | O ½ | 17.75 |
| 8 | P ½ | 18.2 |
| 8.5 | Q ½ | 18.6 |
| 9 | R ½ | 19 |
| 9.5 | S ½ | 19.4 |
| 10 | T ½ | 19.8 |
| 10.5 | U ½ | 20.24 |
| 11 | V ½ | 20.66 |
| 11.5 | V 4/5 | 21 |
| 12 | X ½ | 21.5 |
| 12.5 | Y ½ | 21.9 |
| 13 | Z +1 | 22.3 |
| 13.5 | Z +3 | 23 |
| 14 | Z +4 | 23.5 |
