234 MINERALS FROM NEW CALEDONIA. 
No. 4. Ofa rich green colour, intermixed with lighter portions, 
inn and showing a striated and fluted surface next to the 
of the vein, somewhat like a slickenside in ap ce ; the 
specimen of white hydrated silicate of magnesia. (See No, 7) 
formed the boundary wall or casing of the vein. Bel Air mine. 
Analysis. 
Water lost at 100° C. see 
Combined water lost at red ‘heat.. axe ee 
Silica... ae a re oO 
2 Alumina 
na i ce rap absent 
Nickel protoxide ... oes itt --- 20°88 
Magnesia... ee wee 12°93 
99°66 Leibius 
No. 5. Translucent dark green coloured, brittle le specimens, with 
mammillated surfaces, from “Naket ety. 
Analysis. 
- TI. 
bio ied at 100° C. , ao TO 6°44 
ned water lost at 
heat 12:39 11°53 (by difference) 
Silica” dhs se «BO 10 38°35 
= traces ; 
Tron sesquioxide ... ...._ traces 15 
Nickel protoxide... ... 29°10 32°52 
iis << 32°04 10°61 
100°78 Leibius 100-00 
No. 6. A translucent pale green variety from Ouailou. 
nalysis. 
Water lost at 100° C. a ae cae 
Water lost at red heat... a oe 
ili ee ae eee | 48°00 
absent 
m sesquioxide .., say ie cio 
Nickel ide a ee 
Nickel protoxide _ m i 
101-06 Leibius 
—The casing from the walls of a vein in of gee 
noumeaite at the Bel Air m ine, Kanala, consisted of 4 was 
white very tough hydrated silicate of magnesia which pe ae 
quite free from nickel, and in others merely toes with striated, 
green. The surface towards the vein was much grooved, side, 
and polished, and had apparently formed part of a slicke 
_ This mineral very closely resembles meerschaum 1m CO ones 
pices an and in many of its properties. It is, howew ak 
tougher than ordinary meerschaum, being @ s difficult 
