Source

Vryheid

Umfolozi

Harrismith

Qwa Qwa

Hluhluwe

Description

Dk. G. Sp. Lt

G. Dolerite

Dk. G. Sp. Lt

G. Dolerite

Dk. G. Dolerite

Dk. G. Dolerite

Basalt

Ph Value

8.74

8.67

9.54

9.34

9.17

A.C.V. Dry %

13.4

11

13.7

14

13

A.C.V. Wet %

14

12.8

13.2

15.3

13.3

10% Fact Dry (KN)

328

360

330

305

310

10% Fact Wet (KN)

310

340

300

280

270

Polished Stone Value

52

52

-

51

54

MgSO₄ 5 cycles

2.97

10.63

27.19

12.44

30.35

Alkali Reactivity Expansion %

.014

.040

-.002

.049

.051

Water Absorption %

.4

.5

.4

.6

.6

Durability – Ethylene Glycol Soak

Test 30 day cycle (% Loss)

4.64

6.53

6.70

6.95

4.50