Characterization and Neutron Shielding Behavior of Dehydrated Magnesium Borate Minerals Synthesized via Solid-State Method

Table 1

XRD crystal scores of the dehydrated magnesium borates produced by solid-state method.

Temperature (°C)	Time (min)	30					60					240
	Product code	M : B ratio (mol/mol)
		2 : 1	3 : 2	1 : 1	1 : 2	1 : 4	2 : 1	3 : 2	1 : 1	1 : 2	1 : 4	2 : 1	3 : 2	1 : 1	1 : 2	1 : 4
1000	K	59	61	58	47	38	53	62	58	44	35	57	61	58	52	33
	MB^1	34	37	37	34	36	47	38	41	47	34	29	38	55	57	52
900	K	67	62	60	61	46	63	65	62	49	42	60	61	58	60	41
	MB^1	10	18	18	24	13	12	35	21	26	16	13	19	31	13	13
	MB^2	—	—	—	30	28	—	—	24	25	34	37	—	—	37	29
800	K	50	55	59	55	45	68	65	66	57	36	62	63	86	64	52
	S^1	—	—	—	—	—	3	—	—	16	19	—	—	14	—	—
	S^2	—	—	—	—	—	—	—	—	—	—	—	5	—	—	—
	MB^1	2	3	11	12	6	—	—	—	—	—	5	—	—	13	5
	MB^2	—	—	—	—	14	—	—	—	—	45	—	—	—	—	10
	MB^3	—	—	—	—	—	—	—	11	—	—	—	—	—	—	—
	MB^4	—	—	—	—	—	—	7	—	—	—	—	—	—	—	—
700	S^1											—	—	15	14	—
	S^2											6	12	12	—	—
	MB^3											—	9	—	—	—
	MB^4											—	—	—	8	7
	P											85	—	—	—	—
600	S^1											—	—	6	13	11
	S^2											8	11	—	—	—
	MB^4											—	—	—	—	16
	P											85	—	—	—	—

M: MgO
B: B₂O₃  
K: kotoite, pdf no. = 01-075-1807, Mg₃(BO₃)₂  
S¹: suanite, pdf no. = 01-056-0531, Mg₂(B₂O₅)
S²: suanite, pdf no. = 01-073-2107, Mg₂(B₂O₅ )
MB¹: magnesium borate, pdf no. = 01-083-0625, Mg₂(B₂O₅)
MB²: magnesium borate, pdf no. = 00-031-0787, MgB₄O₇  
MB³: magnesium borate, pdf no. = 01-073-2232, Mg₂B₂O₅  
MB⁴: magnesium borate, pdf no. = 01-076-0666, MgO(B₂O₃)₂  
P: periclase, pdf no. = 01-077-2179, MgO.