University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
Ecology and Natural Resources Collection

Page View

Bureau of Mines / Minerals yearbook: Metals and minerals 1978-79
Year 1978-79, Volume 1 (1978-1979)

Moore, Christine M.
Rare-earth minerals and metals,   pp. 735-742 PDF (915.0 KB)


Page 738

eEstimate. XX Not applicable. 738 MINERALS YEARBOOK, 1978-79 
Product (oxide) 
(1~1ogran~'s) 
Price 
Europium_ - — — Gadolinium_ — — 
99.99 
99.99 
25 
50 
$1,500.00 
102.50 
Lanthanum - - 
99.9 
1,000 
9.90 
Neodymium - - 
Praseodymium_ 
Samarium - — 
95 
96 
96 
500 
500 
500 
5.95 
32.25 
38.75 
Terbium — - — — 
99.9 
50 
985.00 
Yttrium      
99.99 
50 
75.00 
 Nominal prices for various rare-earth materials were also quoted by Research
Chemicals in dollars per kilogram at yearend 1979 as follows: 
Element 
Oxide 
Metal2 
Cerium                      
$18 
$108 
Dysprosium..                 
Erbium                     
100 
120 
270 
450 
Europium                    
Gadolinium                  
1,650 
120 
6,500 
430 
Holmium                    
375 
1,100 
Lanthanum                  
17 
108 
Lutetium                    
4,200 
~6,600 
Neodymium                  
Praseodymium                
Samarium                   
65 
110 
110 
250 
290 
280 
Terbium                     
825 
2,000 
Thulium                   Ytterbium                   
2,650 
180 
~3,500 
720 
Yttrium                     
74 
320 
1Minimum 99.9% purity, 1 to 20 kilograms. 
2lngot form, 1 to 5 kilograms. 
3Per 500 grams. 
FOREIGN TRADE 
Exports of ferrocerium and other pyro- 1979. 
phoric alloys containing rare earths totaled Imports for consumption of rare
earths 38 056 pounds in 1978 Major destinations shown in Table 3 continued
to increase were Canada (30%) Mexico (22%) and with a marked increase in
the quantity Venezuela (12%). In 1979, exports more received from France
in 1978 and 1979. than doubled, totaling 84,100 pounds. The Monazite imports
during 1979 included 3 Republic of Korea received 63% of the tons from the
Republic of South Africa, the shipments In 1978 545 tons of monazite first
reported receipt from that country valued at $87,500 were exported to France.
since 1966. 
No exports of monazite were reported in 
Table 2.—U.S. imports for consumption of monazite 
 1975 1976 1977 1978 1979 
 Country Quan- Value Qi~an- Value Quan- Value Quan- Value Qt~an- Value 
  tity (thou- tity (thou tity (th u tity (th tity (th 
 sands) samis3 ( sands) ~ san~3 ~ san~3 
 Australia —— —— ——
—— 3,149
$491 5,532 $1,154 6,268 - $1,501 
 Malaysia 2,462 $508 2,103 $431 2,331 409 1,276 255 618 161 
 South Africa, 
  Republicof...... —— —— ——
——
—— —— —— ——
3 2 
 Thailand 103 24 — — — — —
— —
— 846 193 42 13 
 Total 2,565 532 2,103 431 5,480 900 7,654 i,602 6,931 1,677 
 REO contente — — 1,411 XX 1,157 XX 3,014 XX 4,209 XX
3,812 XX


Go up to Top of Page